Home / 1,113,847.70-1,670,503.92-514,232.78

Finding the Fourth Proportional to 1,113,847.70, 1,670,503.92 and 514,232.78

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Solution

The fourth proportional to 1,113,847.70, 1,670,503.92 and 514,232.78 is: 771,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,847.70 : 1,670,503.92 = 514,232.78 : x
  2. Step 2: Convert to fraction form
    1,113,847.70/1,670,503.92 = 514,232.78/x
  3. Step 3: Cross multiply
    1,113,847.70x = 1,670,503.92 × 514,232.78
  4. Step 4: Simplify right side
    1,113,847.70x = 859,027,866,429.98
  5. Step 5: Solve for x
    x = 859,027,866,429.98/1,113,847.70
  6. Step 6: Final answer
    x = 771,225.61

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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.