Home / 415,569.54-624,240.33-391,273

Finding the Fourth Proportional to 415,569.54, 624,240.33 and 391,273

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Solution

The fourth proportional to 415,569.54, 624,240.33 and 391,273 is: 587,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,569.54 : 624,240.33 = 391,273 : x
  2. Step 2: Convert to fraction form
    415,569.54/624,240.33 = 391,273/x
  3. Step 3: Cross multiply
    415,569.54x = 624,240.33 × 391,273
  4. Step 4: Simplify right side
    415,569.54x = 244,248,386,640.09
  5. Step 5: Solve for x
    x = 244,248,386,640.09/415,569.54
  6. Step 6: Final answer
    x = 587,743.72

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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.