Home / 791,645.18-1,187,468.68-192,606.36

Finding the Fourth Proportional to 791,645.18, 1,187,468.68 and 192,606.36

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Solution

The fourth proportional to 791,645.18, 1,187,468.68 and 192,606.36 is: 288,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,645.18 : 1,187,468.68 = 192,606.36 : x
  2. Step 2: Convert to fraction form
    791,645.18/1,187,468.68 = 192,606.36/x
  3. Step 3: Cross multiply
    791,645.18x = 1,187,468.68 × 192,606.36
  4. Step 4: Simplify right side
    791,645.18x = 228,714,020,068.81
  5. Step 5: Solve for x
    x = 228,714,020,068.81/791,645.18
  6. Step 6: Final answer
    x = 288,909.76

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Similar ratio
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1.5x scale

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.