Home / 674,529.71-930,945.94-429,436.17

Finding the Fourth Proportional to 674,529.71, 930,945.94 and 429,436.17

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Solution

The fourth proportional to 674,529.71, 930,945.94 and 429,436.17 is: 592,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,529.71 : 930,945.94 = 429,436.17 : x
  2. Step 2: Convert to fraction form
    674,529.71/930,945.94 = 429,436.17/x
  3. Step 3: Cross multiply
    674,529.71x = 930,945.94 × 429,436.17
  4. Step 4: Simplify right side
    674,529.71x = 399,781,857,877.06
  5. Step 5: Solve for x
    x = 399,781,857,877.06/674,529.71
  6. Step 6: Final answer
    x = 592,682.35

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Double scale
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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.