Home / 1,008,890.76-1,392,280.02-556,197.96

Finding the Fourth Proportional to 1,008,890.76, 1,392,280.02 and 556,197.96

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Solution

The fourth proportional to 1,008,890.76, 1,392,280.02 and 556,197.96 is: 767,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,890.76 : 1,392,280.02 = 556,197.96 : x
  2. Step 2: Convert to fraction form
    1,008,890.76/1,392,280.02 = 556,197.96/x
  3. Step 3: Cross multiply
    1,008,890.76x = 1,392,280.02 × 556,197.96
  4. Step 4: Simplify right side
    1,008,890.76x = 774,383,306,872.76
  5. Step 5: Solve for x
    x = 774,383,306,872.76/1,008,890.76
  6. Step 6: Final answer
    x = 767,559.12

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Double scale
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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.