Home / 1,969,947.30-2,954,920.95-771,471.30

Finding the Fourth Proportional to 1,969,947.30, 2,954,920.95 and 771,471.30

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Solution

The fourth proportional to 1,969,947.30, 2,954,920.95 and 771,471.30 is: 1,157,206.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,947.30 : 2,954,920.95 = 771,471.30 : x
  2. Step 2: Convert to fraction form
    1,969,947.30/2,954,920.95 = 771,471.30/x
  3. Step 3: Cross multiply
    1,969,947.30x = 2,954,920.95 × 771,471.30
  4. Step 4: Simplify right side
    1,969,947.30x = 2,279,636,706,693.74
  5. Step 5: Solve for x
    x = 2,279,636,706,693.74/1,969,947.30
  6. Step 6: Final answer
    x = 1,157,206.95

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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.