Home / 851,140.53-1,174,577.63-469,159.11

Finding the Fourth Proportional to 851,140.53, 1,174,577.63 and 469,159.11

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Solution

The fourth proportional to 851,140.53, 1,174,577.63 and 469,159.11 is: 647,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,140.53 : 1,174,577.63 = 469,159.11 : x
  2. Step 2: Convert to fraction form
    851,140.53/1,174,577.63 = 469,159.11/x
  3. Step 3: Cross multiply
    851,140.53x = 1,174,577.63 × 469,159.11
  4. Step 4: Simplify right side
    851,140.53x = 551,063,793,170.91
  5. Step 5: Solve for x
    x = 551,063,793,170.91/851,140.53
  6. Step 6: Final answer
    x = 647,441.61

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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.