Home / 947,314.56-1,307,253.12-517,574.40

Finding the Fourth Proportional to 947,314.56, 1,307,253.12 and 517,574.40

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Solution

The fourth proportional to 947,314.56, 1,307,253.12 and 517,574.40 is: 714,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,314.56 : 1,307,253.12 = 517,574.40 : x
  2. Step 2: Convert to fraction form
    947,314.56/1,307,253.12 = 517,574.40/x
  3. Step 3: Cross multiply
    947,314.56x = 1,307,253.12 × 517,574.40
  4. Step 4: Simplify right side
    947,314.56x = 676,600,749,232.13
  5. Step 5: Solve for x
    x = 676,600,749,232.13/947,314.56
  6. Step 6: Final answer
    x = 714,230.29

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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.