Home / 1,264,312.20-1,896,470.22-516,358.20

Finding the Fourth Proportional to 1,264,312.20, 1,896,470.22 and 516,358.20

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Solution

The fourth proportional to 1,264,312.20, 1,896,470.22 and 516,358.20 is: 774,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,312.20 : 1,896,470.22 = 516,358.20 : x
  2. Step 2: Convert to fraction form
    1,264,312.20/1,896,470.22 = 516,358.20/x
  3. Step 3: Cross multiply
    1,264,312.20x = 1,896,470.22 × 516,358.20
  4. Step 4: Simplify right side
    1,264,312.20x = 979,257,949,152.80
  5. Step 5: Solve for x
    x = 979,257,949,152.80/1,264,312.20
  6. Step 6: Final answer
    x = 774,538.08

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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.