Home / 917,449.88-1,266,080.83-515,041.88

Finding the Fourth Proportional to 917,449.88, 1,266,080.83 and 515,041.88

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Solution

The fourth proportional to 917,449.88, 1,266,080.83 and 515,041.88 is: 710,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,449.88 : 1,266,080.83 = 515,041.88 : x
  2. Step 2: Convert to fraction form
    917,449.88/1,266,080.83 = 515,041.88/x
  3. Step 3: Cross multiply
    917,449.88x = 1,266,080.83 × 515,041.88
  4. Step 4: Simplify right side
    917,449.88x = 652,084,643,297.15
  5. Step 5: Solve for x
    x = 652,084,643,297.15/917,449.88
  6. Step 6: Final answer
    x = 710,757.79

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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.