Home / 667,263.16-1,000,924.68-218,011.40

Finding the Fourth Proportional to 667,263.16, 1,000,924.68 and 218,011.40

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Solution

The fourth proportional to 667,263.16, 1,000,924.68 and 218,011.40 is: 327,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,263.16 : 1,000,924.68 = 218,011.40 : x
  2. Step 2: Convert to fraction form
    667,263.16/1,000,924.68 = 218,011.40/x
  3. Step 3: Cross multiply
    667,263.16x = 1,000,924.68 × 218,011.40
  4. Step 4: Simplify right side
    667,263.16x = 218,212,990,781.35
  5. Step 5: Solve for x
    x = 218,212,990,781.35/667,263.16
  6. Step 6: Final answer
    x = 327,026.88

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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.