Home / 955,949.16-1,434,139.76-316,251.39

Finding the Fourth Proportional to 955,949.16, 1,434,139.76 and 316,251.39

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Solution

The fourth proportional to 955,949.16, 1,434,139.76 and 316,251.39 is: 474,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,949.16 : 1,434,139.76 = 316,251.39 : x
  2. Step 2: Convert to fraction form
    955,949.16/1,434,139.76 = 316,251.39/x
  3. Step 3: Cross multiply
    955,949.16x = 1,434,139.76 × 316,251.39
  4. Step 4: Simplify right side
    955,949.16x = 453,548,692,554.27
  5. Step 5: Solve for x
    x = 453,548,692,554.27/955,949.16
  6. Step 6: Final answer
    x = 474,448.55

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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.