Home / 1,343,065.60-2,013,043.20-543,822.40

Finding the Fourth Proportional to 1,343,065.60, 2,013,043.20 and 543,822.40

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Solution

The fourth proportional to 1,343,065.60, 2,013,043.20 and 543,822.40 is: 815,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,065.60 : 2,013,043.20 = 543,822.40 : x
  2. Step 2: Convert to fraction form
    1,343,065.60/2,013,043.20 = 543,822.40/x
  3. Step 3: Cross multiply
    1,343,065.60x = 2,013,043.20 × 543,822.40
  4. Step 4: Simplify right side
    1,343,065.60x = 1,094,737,984,327.68
  5. Step 5: Solve for x
    x = 1,094,737,984,327.68/1,343,065.60
  6. Step 6: Final answer
    x = 815,103.88

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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.