Home / 991,203.24-1,367,856.90-538,490.28

Finding the Fourth Proportional to 991,203.24, 1,367,856.90 and 538,490.28

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Solution

The fourth proportional to 991,203.24, 1,367,856.90 and 538,490.28 is: 743,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,203.24 : 1,367,856.90 = 538,490.28 : x
  2. Step 2: Convert to fraction form
    991,203.24/1,367,856.90 = 538,490.28/x
  3. Step 3: Cross multiply
    991,203.24x = 1,367,856.90 × 538,490.28
  4. Step 4: Simplify right side
    991,203.24x = 736,577,645,080.93
  5. Step 5: Solve for x
    x = 736,577,645,080.93/991,203.24
  6. Step 6: Final answer
    x = 743,114.65

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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.