Home / 624,446.38-861,751.74-382,862.22

Finding the Fourth Proportional to 624,446.38, 861,751.74 and 382,862.22

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Solution

The fourth proportional to 624,446.38, 861,751.74 and 382,862.22 is: 528,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,446.38 : 861,751.74 = 382,862.22 : x
  2. Step 2: Convert to fraction form
    624,446.38/861,751.74 = 382,862.22/x
  3. Step 3: Cross multiply
    624,446.38x = 861,751.74 × 382,862.22
  4. Step 4: Simplify right side
    624,446.38x = 329,932,184,265.26
  5. Step 5: Solve for x
    x = 329,932,184,265.26/624,446.38
  6. Step 6: Final answer
    x = 528,359.51

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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.