Home / 791,973.96-1,187,436.19-286,468.42

Finding the Fourth Proportional to 791,973.96, 1,187,436.19 and 286,468.42

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Solution

The fourth proportional to 791,973.96, 1,187,436.19 and 286,468.42 is: 429,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,973.96 : 1,187,436.19 = 286,468.42 : x
  2. Step 2: Convert to fraction form
    791,973.96/1,187,436.19 = 286,468.42/x
  3. Step 3: Cross multiply
    791,973.96x = 1,187,436.19 × 286,468.42
  4. Step 4: Simplify right side
    791,973.96x = 340,162,969,200.12
  5. Step 5: Solve for x
    x = 340,162,969,200.12/791,973.96
  6. Step 6: Final answer
    x = 429,512.82

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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.