Home / 915,616.30-1,370,659.65-805,024.30

Finding the Fourth Proportional to 915,616.30, 1,370,659.65 and 805,024.30

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Solution

The fourth proportional to 915,616.30, 1,370,659.65 and 805,024.30 is: 1,205,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,616.30 : 1,370,659.65 = 805,024.30 : x
  2. Step 2: Convert to fraction form
    915,616.30/1,370,659.65 = 805,024.30/x
  3. Step 3: Cross multiply
    915,616.30x = 1,370,659.65 × 805,024.30
  4. Step 4: Simplify right side
    915,616.30x = 1,103,414,325,279.49
  5. Step 5: Solve for x
    x = 1,103,414,325,279.49/915,616.30
  6. Step 6: Final answer
    x = 1,205,105.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.