Home / 1,124,800.20-1,687,346.10-556,471.80

Finding the Fourth Proportional to 1,124,800.20, 1,687,346.10 and 556,471.80

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Solution

The fourth proportional to 1,124,800.20, 1,687,346.10 and 556,471.80 is: 834,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,800.20 : 1,687,346.10 = 556,471.80 : x
  2. Step 2: Convert to fraction form
    1,124,800.20/1,687,346.10 = 556,471.80/x
  3. Step 3: Cross multiply
    1,124,800.20x = 1,687,346.10 × 556,471.80
  4. Step 4: Simplify right side
    1,124,800.20x = 938,960,521,489.98
  5. Step 5: Solve for x
    x = 938,960,521,489.98/1,124,800.20
  6. Step 6: Final answer
    x = 834,779.83

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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.