Home / 1,191,157.62-1,643,937.27-707,726.70

Finding the Fourth Proportional to 1,191,157.62, 1,643,937.27 and 707,726.70

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Solution

The fourth proportional to 1,191,157.62, 1,643,937.27 and 707,726.70 is: 976,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,157.62 : 1,643,937.27 = 707,726.70 : x
  2. Step 2: Convert to fraction form
    1,191,157.62/1,643,937.27 = 707,726.70/x
  3. Step 3: Cross multiply
    1,191,157.62x = 1,643,937.27 × 707,726.70
  4. Step 4: Simplify right side
    1,191,157.62x = 1,163,458,299,104.11
  5. Step 5: Solve for x
    x = 1,163,458,299,104.11/1,191,157.62
  6. Step 6: Final answer
    x = 976,745.88

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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.