Home / 813,844.66-1,123,108.05-451,294.06

Finding the Fourth Proportional to 813,844.66, 1,123,108.05 and 451,294.06

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Solution

The fourth proportional to 813,844.66, 1,123,108.05 and 451,294.06 is: 622,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,844.66 : 1,123,108.05 = 451,294.06 : x
  2. Step 2: Convert to fraction form
    813,844.66/1,123,108.05 = 451,294.06/x
  3. Step 3: Cross multiply
    813,844.66x = 1,123,108.05 × 451,294.06
  4. Step 4: Simplify right side
    813,844.66x = 506,851,991,703.18
  5. Step 5: Solve for x
    x = 506,851,991,703.18/813,844.66
  6. Step 6: Final answer
    x = 622,787.14

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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.