Home / 624,610.19-861,964.79-338,130.27

Finding the Fourth Proportional to 624,610.19, 861,964.79 and 338,130.27

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Solution

The fourth proportional to 624,610.19, 861,964.79 and 338,130.27 is: 466,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,610.19 : 861,964.79 = 338,130.27 : x
  2. Step 2: Convert to fraction form
    624,610.19/861,964.79 = 338,130.27/x
  3. Step 3: Cross multiply
    624,610.19x = 861,964.79 × 338,130.27
  4. Step 4: Simplify right side
    624,610.19x = 291,456,385,482.54
  5. Step 5: Solve for x
    x = 291,456,385,482.54/624,610.19
  6. Step 6: Final answer
    x = 466,621.25

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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.