Home / 814,451.65-1,123,943.42-451,874.64

Finding the Fourth Proportional to 814,451.65, 1,123,943.42 and 451,874.64

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Solution

The fourth proportional to 814,451.65, 1,123,943.42 and 451,874.64 is: 623,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,451.65 : 1,123,943.42 = 451,874.64 : x
  2. Step 2: Convert to fraction form
    814,451.65/1,123,943.42 = 451,874.64/x
  3. Step 3: Cross multiply
    814,451.65x = 1,123,943.42 × 451,874.64
  4. Step 4: Simplify right side
    814,451.65x = 507,881,528,292.87
  5. Step 5: Solve for x
    x = 507,881,528,292.87/814,451.65
  6. Step 6: Final answer
    x = 623,587.08

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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.