Home / 996,909.20-1,495,509.60-322,875.80

Finding the Fourth Proportional to 996,909.20, 1,495,509.60 and 322,875.80

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Solution

The fourth proportional to 996,909.20, 1,495,509.60 and 322,875.80 is: 484,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,909.20 : 1,495,509.60 = 322,875.80 : x
  2. Step 2: Convert to fraction form
    996,909.20/1,495,509.60 = 322,875.80/x
  3. Step 3: Cross multiply
    996,909.20x = 1,495,509.60 × 322,875.80
  4. Step 4: Simplify right side
    996,909.20x = 482,863,858,507.68
  5. Step 5: Solve for x
    x = 482,863,858,507.68/996,909.20
  6. Step 6: Final answer
    x = 484,360.92

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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.