Home / 1,149,728.88-1,725,331.20-771,077.04

Finding the Fourth Proportional to 1,149,728.88, 1,725,331.20 and 771,077.04

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Solution

The fourth proportional to 1,149,728.88, 1,725,331.20 and 771,077.04 is: 1,157,110.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,728.88 : 1,725,331.20 = 771,077.04 : x
  2. Step 2: Convert to fraction form
    1,149,728.88/1,725,331.20 = 771,077.04/x
  3. Step 3: Cross multiply
    1,149,728.88x = 1,725,331.20 × 771,077.04
  4. Step 4: Simplify right side
    1,149,728.88x = 1,330,363,274,715.65
  5. Step 5: Solve for x
    x = 1,330,363,274,715.65/1,149,728.88
  6. Step 6: Final answer
    x = 1,157,110.43

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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.