Home / 787,070.93-1,179,609.89-502,651.58

Finding the Fourth Proportional to 787,070.93, 1,179,609.89 and 502,651.58

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Solution

The fourth proportional to 787,070.93, 1,179,609.89 and 502,651.58 is: 753,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,070.93 : 1,179,609.89 = 502,651.58 : x
  2. Step 2: Convert to fraction form
    787,070.93/1,179,609.89 = 502,651.58/x
  3. Step 3: Cross multiply
    787,070.93x = 1,179,609.89 × 502,651.58
  4. Step 4: Simplify right side
    787,070.93x = 592,932,766,580.82
  5. Step 5: Solve for x
    x = 592,932,766,580.82/787,070.93
  6. Step 6: Final answer
    x = 753,340.96

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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.