Home / 1,231,260.60-1,847,063.70-389,724.60

Finding the Fourth Proportional to 1,231,260.60, 1,847,063.70 and 389,724.60

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Solution

The fourth proportional to 1,231,260.60, 1,847,063.70 and 389,724.60 is: 584,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,260.60 : 1,847,063.70 = 389,724.60 : x
  2. Step 2: Convert to fraction form
    1,231,260.60/1,847,063.70 = 389,724.60/x
  3. Step 3: Cross multiply
    1,231,260.60x = 1,847,063.70 × 389,724.60
  4. Step 4: Simplify right side
    1,231,260.60x = 719,846,161,657.02
  5. Step 5: Solve for x
    x = 719,846,161,657.02/1,231,260.60
  6. Step 6: Final answer
    x = 584,641.60

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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.