Home / 719,057.24-992,297.95-396,767.25

Finding the Fourth Proportional to 719,057.24, 992,297.95 and 396,767.25

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Solution

The fourth proportional to 719,057.24, 992,297.95 and 396,767.25 is: 547,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,057.24 : 992,297.95 = 396,767.25 : x
  2. Step 2: Convert to fraction form
    719,057.24/992,297.95 = 396,767.25/x
  3. Step 3: Cross multiply
    719,057.24x = 992,297.95 × 396,767.25
  4. Step 4: Simplify right side
    719,057.24x = 393,711,328,802.14
  5. Step 5: Solve for x
    x = 393,711,328,802.14/719,057.24
  6. Step 6: Final answer
    x = 547,538.23

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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.