Home / 639,554.38-959,255.16-497,541.40

Finding the Fourth Proportional to 639,554.38, 959,255.16 and 497,541.40

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Solution

The fourth proportional to 639,554.38, 959,255.16 and 497,541.40 is: 746,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,554.38 : 959,255.16 = 497,541.40 : x
  2. Step 2: Convert to fraction form
    639,554.38/959,255.16 = 497,541.40/x
  3. Step 3: Cross multiply
    639,554.38x = 959,255.16 × 497,541.40
  4. Step 4: Simplify right side
    639,554.38x = 477,269,155,263.62
  5. Step 5: Solve for x
    x = 477,269,155,263.62/639,554.38
  6. Step 6: Final answer
    x = 746,252.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.