Home / 563,761.40-845,642.10-169,726.20

Finding the Fourth Proportional to 563,761.40, 845,642.10 and 169,726.20

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Solution

The fourth proportional to 563,761.40, 845,642.10 and 169,726.20 is: 254,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,761.40 : 845,642.10 = 169,726.20 : x
  2. Step 2: Convert to fraction form
    563,761.40/845,642.10 = 169,726.20/x
  3. Step 3: Cross multiply
    563,761.40x = 845,642.10 × 169,726.20
  4. Step 4: Simplify right side
    563,761.40x = 143,527,620,193.02
  5. Step 5: Solve for x
    x = 143,527,620,193.02/563,761.40
  6. Step 6: Final answer
    x = 254,589.30

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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.