Home / 756,611.80-1,044,131.38-417,092.20

Finding the Fourth Proportional to 756,611.80, 1,044,131.38 and 417,092.20

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Solution

The fourth proportional to 756,611.80, 1,044,131.38 and 417,092.20 is: 575,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,611.80 : 1,044,131.38 = 417,092.20 : x
  2. Step 2: Convert to fraction form
    756,611.80/1,044,131.38 = 417,092.20/x
  3. Step 3: Cross multiply
    756,611.80x = 1,044,131.38 × 417,092.20
  4. Step 4: Simplify right side
    756,611.80x = 435,499,054,373.24
  5. Step 5: Solve for x
    x = 435,499,054,373.24/756,611.80
  6. Step 6: Final answer
    x = 575,591.15

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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.