Home / 727,680.43-1,090,190.59-527,504.32

Finding the Fourth Proportional to 727,680.43, 1,090,190.59 and 527,504.32

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Solution

The fourth proportional to 727,680.43, 1,090,190.59 and 527,504.32 is: 790,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,680.43 : 1,090,190.59 = 527,504.32 : x
  2. Step 2: Convert to fraction form
    727,680.43/1,090,190.59 = 527,504.32/x
  3. Step 3: Cross multiply
    727,680.43x = 1,090,190.59 × 527,504.32
  4. Step 4: Simplify right side
    727,680.43x = 575,080,245,848.35
  5. Step 5: Solve for x
    x = 575,080,245,848.35/727,680.43
  6. Step 6: Final answer
    x = 790,292.31

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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.