Home / 563,590.20-845,385.30-493,606.20

Finding the Fourth Proportional to 563,590.20, 845,385.30 and 493,606.20

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Solution

The fourth proportional to 563,590.20, 845,385.30 and 493,606.20 is: 740,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,590.20 : 845,385.30 = 493,606.20 : x
  2. Step 2: Convert to fraction form
    563,590.20/845,385.30 = 493,606.20/x
  3. Step 3: Cross multiply
    563,590.20x = 845,385.30 × 493,606.20
  4. Step 4: Simplify right side
    563,590.20x = 417,287,425,468.86
  5. Step 5: Solve for x
    x = 417,287,425,468.86/563,590.20
  6. Step 6: Final answer
    x = 740,409.30

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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.