Home / 819,337.50-1,130,753.10-451,886.52

Finding the Fourth Proportional to 819,337.50, 1,130,753.10 and 451,886.52

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Solution

The fourth proportional to 819,337.50, 1,130,753.10 and 451,886.52 is: 623,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,337.50 : 1,130,753.10 = 451,886.52 : x
  2. Step 2: Convert to fraction form
    819,337.50/1,130,753.10 = 451,886.52/x
  3. Step 3: Cross multiply
    819,337.50x = 1,130,753.10 × 451,886.52
  4. Step 4: Simplify right side
    819,337.50x = 510,972,083,338.21
  5. Step 5: Solve for x
    x = 510,972,083,338.21/819,337.50
  6. Step 6: Final answer
    x = 623,640.54

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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.