Home / 538,711.24-743,426.32-297,002.38

Finding the Fourth Proportional to 538,711.24, 743,426.32 and 297,002.38

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Solution

The fourth proportional to 538,711.24, 743,426.32 and 297,002.38 is: 409,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,711.24 : 743,426.32 = 297,002.38 : x
  2. Step 2: Convert to fraction form
    538,711.24/743,426.32 = 297,002.38/x
  3. Step 3: Cross multiply
    538,711.24x = 743,426.32 × 297,002.38
  4. Step 4: Simplify right side
    538,711.24x = 220,799,386,394.64
  5. Step 5: Solve for x
    x = 220,799,386,394.64/538,711.24
  6. Step 6: Final answer
    x = 409,865.94

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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.