Home / 1,059,631.20-1,589,446.80-611,733.60

Finding the Fourth Proportional to 1,059,631.20, 1,589,446.80 and 611,733.60

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Solution

The fourth proportional to 1,059,631.20, 1,589,446.80 and 611,733.60 is: 917,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,631.20 : 1,589,446.80 = 611,733.60 : x
  2. Step 2: Convert to fraction form
    1,059,631.20/1,589,446.80 = 611,733.60/x
  3. Step 3: Cross multiply
    1,059,631.20x = 1,589,446.80 × 611,733.60
  4. Step 4: Simplify right side
    1,059,631.20x = 972,318,012,972.48
  5. Step 5: Solve for x
    x = 972,318,012,972.48/1,059,631.20
  6. Step 6: Final answer
    x = 917,600.40

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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.