Home / 1,711,121.28-2,565,795.94-912,188.24

Finding the Fourth Proportional to 1,711,121.28, 2,565,795.94 and 912,188.24

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Solution

The fourth proportional to 1,711,121.28, 2,565,795.94 and 912,188.24 is: 1,367,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,121.28 : 2,565,795.94 = 912,188.24 : x
  2. Step 2: Convert to fraction form
    1,711,121.28/2,565,795.94 = 912,188.24/x
  3. Step 3: Cross multiply
    1,711,121.28x = 2,565,795.94 × 912,188.24
  4. Step 4: Simplify right side
    1,711,121.28x = 2,340,488,882,707.75
  5. Step 5: Solve for x
    x = 2,340,488,882,707.75/1,711,121.28
  6. Step 6: Final answer
    x = 1,367,810.05

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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.