Home / 563,506.47-844,815.02-279,294.89

Finding the Fourth Proportional to 563,506.47, 844,815.02 and 279,294.89

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Solution

The fourth proportional to 563,506.47, 844,815.02 and 279,294.89 is: 418,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,506.47 : 844,815.02 = 279,294.89 : x
  2. Step 2: Convert to fraction form
    563,506.47/844,815.02 = 279,294.89/x
  3. Step 3: Cross multiply
    563,506.47x = 844,815.02 × 279,294.89
  4. Step 4: Simplify right side
    563,506.47x = 235,952,512,460.70
  5. Step 5: Solve for x
    x = 235,952,512,460.70/563,506.47
  6. Step 6: Final answer
    x = 418,721.92

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Double scale
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Similar ratio
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1.5x scale

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.