Home / 813,801.56-1,123,001.26-451,204.28

Finding the Fourth Proportional to 813,801.56, 1,123,001.26 and 451,204.28

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Solution

The fourth proportional to 813,801.56, 1,123,001.26 and 451,204.28 is: 622,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,801.56 : 1,123,001.26 = 451,204.28 : x
  2. Step 2: Convert to fraction form
    813,801.56/1,123,001.26 = 451,204.28/x
  3. Step 3: Cross multiply
    813,801.56x = 1,123,001.26 × 451,204.28
  4. Step 4: Simplify right side
    813,801.56x = 506,702,974,957.39
  5. Step 5: Solve for x
    x = 506,702,974,957.39/813,801.56
  6. Step 6: Final answer
    x = 622,637.02

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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.