Home / 589,974.20-885,422.10-274,470.20

Finding the Fourth Proportional to 589,974.20, 885,422.10 and 274,470.20

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Solution

The fourth proportional to 589,974.20, 885,422.10 and 274,470.20 is: 411,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,974.20 : 885,422.10 = 274,470.20 : x
  2. Step 2: Convert to fraction form
    589,974.20/885,422.10 = 274,470.20/x
  3. Step 3: Cross multiply
    589,974.20x = 885,422.10 × 274,470.20
  4. Step 4: Simplify right side
    589,974.20x = 243,021,980,871.42
  5. Step 5: Solve for x
    x = 243,021,980,871.42/589,974.20
  6. Step 6: Final answer
    x = 411,919.68

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