Home / 947,475.60-1,307,513.66-517,758.45

Finding the Fourth Proportional to 947,475.60, 1,307,513.66 and 517,758.45

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Solution

The fourth proportional to 947,475.60, 1,307,513.66 and 517,758.45 is: 714,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,475.60 : 1,307,513.66 = 517,758.45 : x
  2. Step 2: Convert to fraction form
    947,475.60/1,307,513.66 = 517,758.45/x
  3. Step 3: Cross multiply
    947,475.60x = 1,307,513.66 × 517,758.45
  4. Step 4: Simplify right side
    947,475.60x = 676,976,243,366.64
  5. Step 5: Solve for x
    x = 676,976,243,366.64/947,475.60
  6. Step 6: Final answer
    x = 714,505.20

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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.