Home / 1,186,514.76-1,778,984.82-831,958.68

Finding the Fourth Proportional to 1,186,514.76, 1,778,984.82 and 831,958.68

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Solution

The fourth proportional to 1,186,514.76, 1,778,984.82 and 831,958.68 is: 1,247,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,514.76 : 1,778,984.82 = 831,958.68 : x
  2. Step 2: Convert to fraction form
    1,186,514.76/1,778,984.82 = 831,958.68/x
  3. Step 3: Cross multiply
    1,186,514.76x = 1,778,984.82 × 831,958.68
  4. Step 4: Simplify right side
    1,186,514.76x = 1,480,041,862,587.24
  5. Step 5: Solve for x
    x = 1,480,041,862,587.24/1,186,514.76
  6. Step 6: Final answer
    x = 1,247,385.97

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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.