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Finding the Fourth Proportional to 824,282.76, 1,137,510 and 501,992.76

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Solution

The fourth proportional to 824,282.76, 1,137,510 and 501,992.76 is: 692,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,282.76 : 1,137,510 = 501,992.76 : x
  2. Step 2: Convert to fraction form
    824,282.76/1,137,510 = 501,992.76/x
  3. Step 3: Cross multiply
    824,282.76x = 1,137,510 × 501,992.76
  4. Step 4: Simplify right side
    824,282.76x = 571,021,784,427.60
  5. Step 5: Solve for x
    x = 571,021,784,427.60/824,282.76
  6. Step 6: Final answer
    x = 692,749.88

Related Problems

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Half scale
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Double scale
Find fourth proportional to 824,283.76, 1,137,511.38 and 501,993.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.