Home / 1,127,729.16-1,691,565.59-329,017.73

Finding the Fourth Proportional to 1,127,729.16, 1,691,565.59 and 329,017.73

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Solution

The fourth proportional to 1,127,729.16, 1,691,565.59 and 329,017.73 is: 493,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,729.16 : 1,691,565.59 = 329,017.73 : x
  2. Step 2: Convert to fraction form
    1,127,729.16/1,691,565.59 = 329,017.73/x
  3. Step 3: Cross multiply
    1,127,729.16x = 1,691,565.59 × 329,017.73
  4. Step 4: Simplify right side
    1,127,729.16x = 556,555,062,932.63
  5. Step 5: Solve for x
    x = 556,555,062,932.63/1,127,729.16
  6. Step 6: Final answer
    x = 493,518.38

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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.