Home / 716,999.70-1,074,203.55-417,234.90

Finding the Fourth Proportional to 716,999.70, 1,074,203.55 and 417,234.90

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Solution

The fourth proportional to 716,999.70, 1,074,203.55 and 417,234.90 is: 625,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,999.70 : 1,074,203.55 = 417,234.90 : x
  2. Step 2: Convert to fraction form
    716,999.70/1,074,203.55 = 417,234.90/x
  3. Step 3: Cross multiply
    716,999.70x = 1,074,203.55 × 417,234.90
  4. Step 4: Simplify right side
    716,999.70x = 448,195,210,763.90
  5. Step 5: Solve for x
    x = 448,195,210,763.90/716,999.70
  6. Step 6: Final answer
    x = 625,098.18

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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.