Home / 712,857.25-1,069,276.65-173,117.95

Finding the Fourth Proportional to 712,857.25, 1,069,276.65 and 173,117.95

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Solution

The fourth proportional to 712,857.25, 1,069,276.65 and 173,117.95 is: 259,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,857.25 : 1,069,276.65 = 173,117.95 : x
  2. Step 2: Convert to fraction form
    712,857.25/1,069,276.65 = 173,117.95/x
  3. Step 3: Cross multiply
    712,857.25x = 1,069,276.65 × 173,117.95
  4. Step 4: Simplify right side
    712,857.25x = 185,110,981,630.87
  5. Step 5: Solve for x
    x = 185,110,981,630.87/712,857.25
  6. Step 6: Final answer
    x = 259,674.68

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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.