Home / 2,912,565.59-4,368,844.61-782,649.76

Finding the Fourth Proportional to 2,912,565.59, 4,368,844.61 and 782,649.76

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Solution

The fourth proportional to 2,912,565.59, 4,368,844.61 and 782,649.76 is: 1,173,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,565.59 : 4,368,844.61 = 782,649.76 : x
  2. Step 2: Convert to fraction form
    2,912,565.59/4,368,844.61 = 782,649.76/x
  3. Step 3: Cross multiply
    2,912,565.59x = 4,368,844.61 × 782,649.76
  4. Step 4: Simplify right side
    2,912,565.59x = 3,419,275,172,615.06
  5. Step 5: Solve for x
    x = 3,419,275,172,615.06/2,912,565.59
  6. Step 6: Final answer
    x = 1,173,973.62

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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.