Home / 1,187,832.38-1,780,902.39-556,401.74

Finding the Fourth Proportional to 1,187,832.38, 1,780,902.39 and 556,401.74

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Solution

The fourth proportional to 1,187,832.38, 1,780,902.39 and 556,401.74 is: 834,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,832.38 : 1,780,902.39 = 556,401.74 : x
  2. Step 2: Convert to fraction form
    1,187,832.38/1,780,902.39 = 556,401.74/x
  3. Step 3: Cross multiply
    1,187,832.38x = 1,780,902.39 × 556,401.74
  4. Step 4: Simplify right side
    1,187,832.38x = 990,897,188,566.16
  5. Step 5: Solve for x
    x = 990,897,188,566.16/1,187,832.38
  6. Step 6: Final answer
    x = 834,206.24

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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.