Home / 1,107,153.20-1,660,729.80-547,281.20

Finding the Fourth Proportional to 1,107,153.20, 1,660,729.80 and 547,281.20

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Solution

The fourth proportional to 1,107,153.20, 1,660,729.80 and 547,281.20 is: 820,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,153.20 : 1,660,729.80 = 547,281.20 : x
  2. Step 2: Convert to fraction form
    1,107,153.20/1,660,729.80 = 547,281.20/x
  3. Step 3: Cross multiply
    1,107,153.20x = 1,660,729.80 × 547,281.20
  4. Step 4: Simplify right side
    1,107,153.20x = 908,886,197,819.76
  5. Step 5: Solve for x
    x = 908,886,197,819.76/1,107,153.20
  6. Step 6: Final answer
    x = 820,921.80

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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.