Home / 814,089.04-1,123,426.16-451,454.40

Finding the Fourth Proportional to 814,089.04, 1,123,426.16 and 451,454.40

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Solution

The fourth proportional to 814,089.04, 1,123,426.16 and 451,454.40 is: 622,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,089.04 : 1,123,426.16 = 451,454.40 : x
  2. Step 2: Convert to fraction form
    814,089.04/1,123,426.16 = 451,454.40/x
  3. Step 3: Cross multiply
    814,089.04x = 1,123,426.16 × 451,454.40
  4. Step 4: Simplify right side
    814,089.04x = 507,175,683,007.10
  5. Step 5: Solve for x
    x = 507,175,683,007.10/814,089.04
  6. Step 6: Final answer
    x = 622,997.80

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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.