Home / 624,475.36-861,796.86-382,711.24

Finding the Fourth Proportional to 624,475.36, 861,796.86 and 382,711.24

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Solution

The fourth proportional to 624,475.36, 861,796.86 and 382,711.24 is: 528,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,475.36 : 861,796.86 = 382,711.24 : x
  2. Step 2: Convert to fraction form
    624,475.36/861,796.86 = 382,711.24/x
  3. Step 3: Cross multiply
    624,475.36x = 861,796.86 × 382,711.24
  4. Step 4: Simplify right side
    624,475.36x = 329,819,344,918.71
  5. Step 5: Solve for x
    x = 329,819,344,918.71/624,475.36
  6. Step 6: Final answer
    x = 528,154.30

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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.