Home / 1,516,860.72-2,275,955.40-718,711.92

Finding the Fourth Proportional to 1,516,860.72, 2,275,955.40 and 718,711.92

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Solution

The fourth proportional to 1,516,860.72, 2,275,955.40 and 718,711.92 is: 1,078,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,860.72 : 2,275,955.40 = 718,711.92 : x
  2. Step 2: Convert to fraction form
    1,516,860.72/2,275,955.40 = 718,711.92/x
  3. Step 3: Cross multiply
    1,516,860.72x = 2,275,955.40 × 718,711.92
  4. Step 4: Simplify right side
    1,516,860.72x = 1,635,756,275,368.37
  5. Step 5: Solve for x
    x = 1,635,756,275,368.37/1,516,860.72
  6. Step 6: Final answer
    x = 1,078,382.65

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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.