Home / 672,224.27-927,612.41-385,738.20

Finding the Fourth Proportional to 672,224.27, 927,612.41 and 385,738.20

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Solution

The fourth proportional to 672,224.27, 927,612.41 and 385,738.20 is: 532,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,224.27 : 927,612.41 = 385,738.20 : x
  2. Step 2: Convert to fraction form
    672,224.27/927,612.41 = 385,738.20/x
  3. Step 3: Cross multiply
    672,224.27x = 927,612.41 × 385,738.20
  4. Step 4: Simplify right side
    672,224.27x = 357,815,539,402.37
  5. Step 5: Solve for x
    x = 357,815,539,402.37/672,224.27
  6. Step 6: Final answer
    x = 532,285.96

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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.