Home / 1,941,708.79-2,912,560.68-521,764.89

Finding the Fourth Proportional to 1,941,708.79, 2,912,560.68 and 521,764.89

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Solution

The fourth proportional to 1,941,708.79, 2,912,560.68 and 521,764.89 is: 782,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,708.79 : 2,912,560.68 = 521,764.89 : x
  2. Step 2: Convert to fraction form
    1,941,708.79/2,912,560.68 = 521,764.89/x
  3. Step 3: Cross multiply
    1,941,708.79x = 2,912,560.68 × 521,764.89
  4. Step 4: Simplify right side
    1,941,708.79x = 1,519,671,902,818.53
  5. Step 5: Solve for x
    x = 1,519,671,902,818.53/1,941,708.79
  6. Step 6: Final answer
    x = 782,646.66

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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.