Home / 1,157,520.20-1,736,280.30-409,641.80

Finding the Fourth Proportional to 1,157,520.20, 1,736,280.30 and 409,641.80

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Solution

The fourth proportional to 1,157,520.20, 1,736,280.30 and 409,641.80 is: 614,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,520.20 : 1,736,280.30 = 409,641.80 : x
  2. Step 2: Convert to fraction form
    1,157,520.20/1,736,280.30 = 409,641.80/x
  3. Step 3: Cross multiply
    1,157,520.20x = 1,736,280.30 × 409,641.80
  4. Step 4: Simplify right side
    1,157,520.20x = 711,252,987,396.54
  5. Step 5: Solve for x
    x = 711,252,987,396.54/1,157,520.20
  6. Step 6: Final answer
    x = 614,462.70

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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.