Home / 1,226,972.88-1,693,101.96-717,575.76

Finding the Fourth Proportional to 1,226,972.88, 1,693,101.96 and 717,575.76

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Solution

The fourth proportional to 1,226,972.88, 1,693,101.96 and 717,575.76 is: 990,184.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,972.88 : 1,693,101.96 = 717,575.76 : x
  2. Step 2: Convert to fraction form
    1,226,972.88/1,693,101.96 = 717,575.76/x
  3. Step 3: Cross multiply
    1,226,972.88x = 1,693,101.96 × 717,575.76
  4. Step 4: Simplify right side
    1,226,972.88x = 1,214,928,925,704.49
  5. Step 5: Solve for x
    x = 1,214,928,925,704.49/1,226,972.88
  6. Step 6: Final answer
    x = 990,184.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.