Home / 1,109,856.80-1,664,785.20-636,152.60

Finding the Fourth Proportional to 1,109,856.80, 1,664,785.20 and 636,152.60

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Solution

The fourth proportional to 1,109,856.80, 1,664,785.20 and 636,152.60 is: 954,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,856.80 : 1,664,785.20 = 636,152.60 : x
  2. Step 2: Convert to fraction form
    1,109,856.80/1,664,785.20 = 636,152.60/x
  3. Step 3: Cross multiply
    1,109,856.80x = 1,664,785.20 × 636,152.60
  4. Step 4: Simplify right side
    1,109,856.80x = 1,059,057,433,421.52
  5. Step 5: Solve for x
    x = 1,059,057,433,421.52/1,109,856.80
  6. Step 6: Final answer
    x = 954,228.90

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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.