Home / 1,161,315.47-1,602,615.35-652,028.78

Finding the Fourth Proportional to 1,161,315.47, 1,602,615.35 and 652,028.78

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Solution

The fourth proportional to 1,161,315.47, 1,602,615.35 and 652,028.78 is: 899,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,315.47 : 1,602,615.35 = 652,028.78 : x
  2. Step 2: Convert to fraction form
    1,161,315.47/1,602,615.35 = 652,028.78/x
  3. Step 3: Cross multiply
    1,161,315.47x = 1,602,615.35 × 652,028.78
  4. Step 4: Simplify right side
    1,161,315.47x = 1,044,951,327,428.91
  5. Step 5: Solve for x
    x = 1,044,951,327,428.91/1,161,315.47
  6. Step 6: Final answer
    x = 899,799.71

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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.