Home / 1,341,932.40-2,011,343.40-542,818.80

Finding the Fourth Proportional to 1,341,932.40, 2,011,343.40 and 542,818.80

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Solution

The fourth proportional to 1,341,932.40, 2,011,343.40 and 542,818.80 is: 813,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,932.40 : 2,011,343.40 = 542,818.80 : x
  2. Step 2: Convert to fraction form
    1,341,932.40/2,011,343.40 = 542,818.80/x
  3. Step 3: Cross multiply
    1,341,932.40x = 2,011,343.40 × 542,818.80
  4. Step 4: Simplify right side
    1,341,932.40x = 1,091,795,010,775.92
  5. Step 5: Solve for x
    x = 1,091,795,010,775.92/1,341,932.40
  6. Step 6: Final answer
    x = 813,599.11

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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.