Home / 714,251.93-985,619.07-391,982.76

Finding the Fourth Proportional to 714,251.93, 985,619.07 and 391,982.76

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Solution

The fourth proportional to 714,251.93, 985,619.07 and 391,982.76 is: 540,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,251.93 : 985,619.07 = 391,982.76 : x
  2. Step 2: Convert to fraction form
    714,251.93/985,619.07 = 391,982.76/x
  3. Step 3: Cross multiply
    714,251.93x = 985,619.07 × 391,982.76
  4. Step 4: Simplify right side
    714,251.93x = 386,345,683,367.23
  5. Step 5: Solve for x
    x = 386,345,683,367.23/714,251.93
  6. Step 6: Final answer
    x = 540,909.54

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1.5x scale

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.