Home / 2,438,128.80-3,657,193.20-665,200.80

Finding the Fourth Proportional to 2,438,128.80, 3,657,193.20 and 665,200.80

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Solution

The fourth proportional to 2,438,128.80, 3,657,193.20 and 665,200.80 is: 997,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,128.80 : 3,657,193.20 = 665,200.80 : x
  2. Step 2: Convert to fraction form
    2,438,128.80/3,657,193.20 = 665,200.80/x
  3. Step 3: Cross multiply
    2,438,128.80x = 3,657,193.20 × 665,200.80
  4. Step 4: Simplify right side
    2,438,128.80x = 2,432,767,842,394.56
  5. Step 5: Solve for x
    x = 2,432,767,842,394.56/2,438,128.80
  6. Step 6: Final answer
    x = 997,801.20

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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.