Home / 860,311.08-1,187,198.28-473,123.16

Finding the Fourth Proportional to 860,311.08, 1,187,198.28 and 473,123.16

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Solution

The fourth proportional to 860,311.08, 1,187,198.28 and 473,123.16 is: 652,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,311.08 : 1,187,198.28 = 473,123.16 : x
  2. Step 2: Convert to fraction form
    860,311.08/1,187,198.28 = 473,123.16/x
  3. Step 3: Cross multiply
    860,311.08x = 1,187,198.28 × 473,123.16
  4. Step 4: Simplify right side
    860,311.08x = 561,691,001,780.17
  5. Step 5: Solve for x
    x = 561,691,001,780.17/860,311.08
  6. Step 6: Final answer
    x = 652,892.91

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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.