Home / 947,221.48-1,307,177.22-517,506.76

Finding the Fourth Proportional to 947,221.48, 1,307,177.22 and 517,506.76

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Solution

The fourth proportional to 947,221.48, 1,307,177.22 and 517,506.76 is: 714,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,221.48 : 1,307,177.22 = 517,506.76 : x
  2. Step 2: Convert to fraction form
    947,221.48/1,307,177.22 = 517,506.76/x
  3. Step 3: Cross multiply
    947,221.48x = 1,307,177.22 × 517,506.76
  4. Step 4: Simplify right side
    947,221.48x = 676,473,047,868.01
  5. Step 5: Solve for x
    x = 676,473,047,868.01/947,221.48
  6. Step 6: Final answer
    x = 714,165.65

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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.