Home / 1,586,145.60-2,188,919.52-861,023.04

Finding the Fourth Proportional to 1,586,145.60, 2,188,919.52 and 861,023.04

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Solution

The fourth proportional to 1,586,145.60, 2,188,919.52 and 861,023.04 is: 1,188,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,145.60 : 2,188,919.52 = 861,023.04 : x
  2. Step 2: Convert to fraction form
    1,586,145.60/2,188,919.52 = 861,023.04/x
  3. Step 3: Cross multiply
    1,586,145.60x = 2,188,919.52 × 861,023.04
  4. Step 4: Simplify right side
    1,586,145.60x = 1,884,710,139,425.74
  5. Step 5: Solve for x
    x = 1,884,710,139,425.74/1,586,145.60
  6. Step 6: Final answer
    x = 1,188,232.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.