Home / 813,058.50-1,122,410.76-571,548.10

Finding the Fourth Proportional to 813,058.50, 1,122,410.76 and 571,548.10

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Solution

The fourth proportional to 813,058.50, 1,122,410.76 and 571,548.10 is: 789,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,058.50 : 1,122,410.76 = 571,548.10 : x
  2. Step 2: Convert to fraction form
    813,058.50/1,122,410.76 = 571,548.10/x
  3. Step 3: Cross multiply
    813,058.50x = 1,122,410.76 × 571,548.10
  4. Step 4: Simplify right side
    813,058.50x = 641,511,737,297.56
  5. Step 5: Solve for x
    x = 641,511,737,297.56/813,058.50
  6. Step 6: Final answer
    x = 789,010.55

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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.