Home / 1,095,921.90-1,643,882.85-718,008.30

Finding the Fourth Proportional to 1,095,921.90, 1,643,882.85 and 718,008.30

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Solution

The fourth proportional to 1,095,921.90, 1,643,882.85 and 718,008.30 is: 1,077,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,921.90 : 1,643,882.85 = 718,008.30 : x
  2. Step 2: Convert to fraction form
    1,095,921.90/1,643,882.85 = 718,008.30/x
  3. Step 3: Cross multiply
    1,095,921.90x = 1,643,882.85 × 718,008.30
  4. Step 4: Simplify right side
    1,095,921.90x = 1,180,321,530,527.66
  5. Step 5: Solve for x
    x = 1,180,321,530,527.66/1,095,921.90
  6. Step 6: Final answer
    x = 1,077,012.45

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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.