Home / 1,440,107.22-2,157,793.95-492,961.26

Finding the Fourth Proportional to 1,440,107.22, 2,157,793.95 and 492,961.26

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Solution

The fourth proportional to 1,440,107.22, 2,157,793.95 and 492,961.26 is: 738,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,107.22 : 2,157,793.95 = 492,961.26 : x
  2. Step 2: Convert to fraction form
    1,440,107.22/2,157,793.95 = 492,961.26/x
  3. Step 3: Cross multiply
    1,440,107.22x = 2,157,793.95 × 492,961.26
  4. Step 4: Simplify right side
    1,440,107.22x = 1,063,708,824,412.38
  5. Step 5: Solve for x
    x = 1,063,708,824,412.38/1,440,107.22
  6. Step 6: Final answer
    x = 738,631.69

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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.