Home / 1,281,883.20-1,922,306.40-440,001.60

Finding the Fourth Proportional to 1,281,883.20, 1,922,306.40 and 440,001.60

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Solution

The fourth proportional to 1,281,883.20, 1,922,306.40 and 440,001.60 is: 659,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,883.20 : 1,922,306.40 = 440,001.60 : x
  2. Step 2: Convert to fraction form
    1,281,883.20/1,922,306.40 = 440,001.60/x
  3. Step 3: Cross multiply
    1,281,883.20x = 1,922,306.40 × 440,001.60
  4. Step 4: Simplify right side
    1,281,883.20x = 845,817,891,690.24
  5. Step 5: Solve for x
    x = 845,817,891,690.24/1,281,883.20
  6. Step 6: Final answer
    x = 659,824.46

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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.