Home / 1,998,424.80-2,996,600.40-735,602.40

Finding the Fourth Proportional to 1,998,424.80, 2,996,600.40 and 735,602.40

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Solution

The fourth proportional to 1,998,424.80, 2,996,600.40 and 735,602.40 is: 1,103,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,424.80 : 2,996,600.40 = 735,602.40 : x
  2. Step 2: Convert to fraction form
    1,998,424.80/2,996,600.40 = 735,602.40/x
  3. Step 3: Cross multiply
    1,998,424.80x = 2,996,600.40 × 735,602.40
  4. Step 4: Simplify right side
    1,998,424.80x = 2,204,306,446,080.96
  5. Step 5: Solve for x
    x = 2,204,306,446,080.96/1,998,424.80
  6. Step 6: Final answer
    x = 1,103,021.96

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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.