Home / 814,077.04-1,123,409.58-451,442.38

Finding the Fourth Proportional to 814,077.04, 1,123,409.58 and 451,442.38

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Solution

The fourth proportional to 814,077.04, 1,123,409.58 and 451,442.38 is: 622,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,077.04 : 1,123,409.58 = 451,442.38 : x
  2. Step 2: Convert to fraction form
    814,077.04/1,123,409.58 = 451,442.38/x
  3. Step 3: Cross multiply
    814,077.04x = 1,123,409.58 × 451,442.38
  4. Step 4: Simplify right side
    814,077.04x = 507,154,694,510.00
  5. Step 5: Solve for x
    x = 507,154,694,510.00/814,077.04
  6. Step 6: Final answer
    x = 622,981.20

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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.