Home / 947,349.36-1,307,351.31-517,629.48

Finding the Fourth Proportional to 947,349.36, 1,307,351.31 and 517,629.48

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Solution

The fourth proportional to 947,349.36, 1,307,351.31 and 517,629.48 is: 714,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,349.36 : 1,307,351.31 = 517,629.48 : x
  2. Step 2: Convert to fraction form
    947,349.36/1,307,351.31 = 517,629.48/x
  3. Step 3: Cross multiply
    947,349.36x = 1,307,351.31 × 517,629.48
  4. Step 4: Simplify right side
    947,349.36x = 676,723,578,772.62
  5. Step 5: Solve for x
    x = 676,723,578,772.62/947,349.36
  6. Step 6: Final answer
    x = 714,333.71

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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.