Home / 1,720,034.40-2,580,067.24-521,956.76

Finding the Fourth Proportional to 1,720,034.40, 2,580,067.24 and 521,956.76

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Solution

The fourth proportional to 1,720,034.40, 2,580,067.24 and 521,956.76 is: 782,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,034.40 : 2,580,067.24 = 521,956.76 : x
  2. Step 2: Convert to fraction form
    1,720,034.40/2,580,067.24 = 521,956.76/x
  3. Step 3: Cross multiply
    1,720,034.40x = 2,580,067.24 × 521,956.76
  4. Step 4: Simplify right side
    1,720,034.40x = 1,346,683,537,172.54
  5. Step 5: Solve for x
    x = 1,346,683,537,172.54/1,720,034.40
  6. Step 6: Final answer
    x = 782,939.89

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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.