Home / 684,764.25-944,656.31-443,124.84

Finding the Fourth Proportional to 684,764.25, 944,656.31 and 443,124.84

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Solution

The fourth proportional to 684,764.25, 944,656.31 and 443,124.84 is: 611,306.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,764.25 : 944,656.31 = 443,124.84 : x
  2. Step 2: Convert to fraction form
    684,764.25/944,656.31 = 443,124.84/x
  3. Step 3: Cross multiply
    684,764.25x = 944,656.31 × 443,124.84
  4. Step 4: Simplify right side
    684,764.25x = 418,600,674,008.12
  5. Step 5: Solve for x
    x = 418,600,674,008.12/684,764.25
  6. Step 6: Final answer
    x = 611,306.26

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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.