Home / 1,042,133.20-1,562,105.40-663,344.08

Finding the Fourth Proportional to 1,042,133.20, 1,562,105.40 and 663,344.08

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Solution

The fourth proportional to 1,042,133.20, 1,562,105.40 and 663,344.08 is: 994,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,133.20 : 1,562,105.40 = 663,344.08 : x
  2. Step 2: Convert to fraction form
    1,042,133.20/1,562,105.40 = 663,344.08/x
  3. Step 3: Cross multiply
    1,042,133.20x = 1,562,105.40 × 663,344.08
  4. Step 4: Simplify right side
    1,042,133.20x = 1,036,213,369,426.03
  5. Step 5: Solve for x
    x = 1,036,213,369,426.03/1,042,133.20
  6. Step 6: Final answer
    x = 994,319.51

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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.