Home / 684,221.44-944,209.28-382,443.52

Finding the Fourth Proportional to 684,221.44, 944,209.28 and 382,443.52

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Solution

The fourth proportional to 684,221.44, 944,209.28 and 382,443.52 is: 527,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,221.44 : 944,209.28 = 382,443.52 : x
  2. Step 2: Convert to fraction form
    684,221.44/944,209.28 = 382,443.52/x
  3. Step 3: Cross multiply
    684,221.44x = 944,209.28 × 382,443.52
  4. Step 4: Simplify right side
    684,221.44x = 361,106,720,659.87
  5. Step 5: Solve for x
    x = 361,106,720,659.87/684,221.44
  6. Step 6: Final answer
    x = 527,762.94

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.