Home / 814,335.38-1,123,784.15-451,759.24

Finding the Fourth Proportional to 814,335.38, 1,123,784.15 and 451,759.24

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Solution

The fourth proportional to 814,335.38, 1,123,784.15 and 451,759.24 is: 623,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,335.38 : 1,123,784.15 = 451,759.24 : x
  2. Step 2: Convert to fraction form
    814,335.38/1,123,784.15 = 451,759.24/x
  3. Step 3: Cross multiply
    814,335.38x = 1,123,784.15 × 451,759.24
  4. Step 4: Simplify right side
    814,335.38x = 507,679,871,269.25
  5. Step 5: Solve for x
    x = 507,679,871,269.25/814,335.38
  6. Step 6: Final answer
    x = 623,428.48

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Half scale
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Double scale
Find fourth proportional to 814,336.38, 1,123,785.53 and 451,760.24
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.