Home / 1,216,900.80-1,825,351.20-542,980.80

Finding the Fourth Proportional to 1,216,900.80, 1,825,351.20 and 542,980.80

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Solution

The fourth proportional to 1,216,900.80, 1,825,351.20 and 542,980.80 is: 814,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,900.80 : 1,825,351.20 = 542,980.80 : x
  2. Step 2: Convert to fraction form
    1,216,900.80/1,825,351.20 = 542,980.80/x
  3. Step 3: Cross multiply
    1,216,900.80x = 1,825,351.20 × 542,980.80
  4. Step 4: Simplify right side
    1,216,900.80x = 991,130,654,856.96
  5. Step 5: Solve for x
    x = 991,130,654,856.96/1,216,900.80
  6. Step 6: Final answer
    x = 814,471.20

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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.