Home / 1,711,121.32-2,571,334.62-912,966.76

Finding the Fourth Proportional to 1,711,121.32, 2,571,334.62 and 912,966.76

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Solution

The fourth proportional to 1,711,121.32, 2,571,334.62 and 912,966.76 is: 1,371,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,121.32 : 2,571,334.62 = 912,966.76 : x
  2. Step 2: Convert to fraction form
    1,711,121.32/2,571,334.62 = 912,966.76/x
  3. Step 3: Cross multiply
    1,711,121.32x = 2,571,334.62 × 912,966.76
  4. Step 4: Simplify right side
    1,711,121.32x = 2,347,543,036,897.23
  5. Step 5: Solve for x
    x = 2,347,543,036,897.23/1,711,121.32
  6. Step 6: Final answer
    x = 1,371,932.55

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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.