Home / 1,168,472.40-1,753,291.80-663,421.20

Finding the Fourth Proportional to 1,168,472.40, 1,753,291.80 and 663,421.20

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Solution

The fourth proportional to 1,168,472.40, 1,753,291.80 and 663,421.20 is: 995,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,472.40 : 1,753,291.80 = 663,421.20 : x
  2. Step 2: Convert to fraction form
    1,168,472.40/1,753,291.80 = 663,421.20/x
  3. Step 3: Cross multiply
    1,168,472.40x = 1,753,291.80 × 663,421.20
  4. Step 4: Simplify right side
    1,168,472.40x = 1,163,170,949,906.16
  5. Step 5: Solve for x
    x = 1,163,170,949,906.16/1,168,472.40
  6. Step 6: Final answer
    x = 995,462.92

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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.