Home / 563,331.40-845,125.10-189,392.20

Finding the Fourth Proportional to 563,331.40, 845,125.10 and 189,392.20

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Solution

The fourth proportional to 563,331.40, 845,125.10 and 189,392.20 is: 284,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,331.40 : 845,125.10 = 189,392.20 : x
  2. Step 2: Convert to fraction form
    563,331.40/845,125.10 = 189,392.20/x
  3. Step 3: Cross multiply
    563,331.40x = 845,125.10 × 189,392.20
  4. Step 4: Simplify right side
    563,331.40x = 160,060,101,964.22
  5. Step 5: Solve for x
    x = 160,060,101,964.22/563,331.40
  6. Step 6: Final answer
    x = 284,131.33

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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.