Home / 814,160.16-1,123,541.28-456,464.16

Finding the Fourth Proportional to 814,160.16, 1,123,541.28 and 456,464.16

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Solution

The fourth proportional to 814,160.16, 1,123,541.28 and 456,464.16 is: 629,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,160.16 : 1,123,541.28 = 456,464.16 : x
  2. Step 2: Convert to fraction form
    814,160.16/1,123,541.28 = 456,464.16/x
  3. Step 3: Cross multiply
    814,160.16x = 1,123,541.28 × 456,464.16
  4. Step 4: Simplify right side
    814,160.16x = 512,856,326,600.53
  5. Step 5: Solve for x
    x = 512,856,326,600.53/814,160.16
  6. Step 6: Final answer
    x = 629,920.69

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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.