Home / 1,101,828.60-1,520,331.48-618,414.12

Finding the Fourth Proportional to 1,101,828.60, 1,520,331.48 and 618,414.12

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Solution

The fourth proportional to 1,101,828.60, 1,520,331.48 and 618,414.12 is: 853,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,828.60 : 1,520,331.48 = 618,414.12 : x
  2. Step 2: Convert to fraction form
    1,101,828.60/1,520,331.48 = 618,414.12/x
  3. Step 3: Cross multiply
    1,101,828.60x = 1,520,331.48 × 618,414.12
  4. Step 4: Simplify right side
    1,101,828.60x = 940,194,454,312.50
  5. Step 5: Solve for x
    x = 940,194,454,312.50/1,101,828.60
  6. Step 6: Final answer
    x = 853,303.73

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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.