Home / 1,253,664.50-1,730,057.01-717,120.50

Finding the Fourth Proportional to 1,253,664.50, 1,730,057.01 and 717,120.50

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Solution

The fourth proportional to 1,253,664.50, 1,730,057.01 and 717,120.50 is: 989,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,664.50 : 1,730,057.01 = 717,120.50 : x
  2. Step 2: Convert to fraction form
    1,253,664.50/1,730,057.01 = 717,120.50/x
  3. Step 3: Cross multiply
    1,253,664.50x = 1,730,057.01 × 717,120.50
  4. Step 4: Simplify right side
    1,253,664.50x = 1,240,659,348,039.71
  5. Step 5: Solve for x
    x = 1,240,659,348,039.71/1,253,664.50
  6. Step 6: Final answer
    x = 989,626.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.