Home / 1,170,515.38-1,615,442.51-661,250.56

Finding the Fourth Proportional to 1,170,515.38, 1,615,442.51 and 661,250.56

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Solution

The fourth proportional to 1,170,515.38, 1,615,442.51 and 661,250.56 is: 912,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,515.38 : 1,615,442.51 = 661,250.56 : x
  2. Step 2: Convert to fraction form
    1,170,515.38/1,615,442.51 = 661,250.56/x
  3. Step 3: Cross multiply
    1,170,515.38x = 1,615,442.51 × 661,250.56
  4. Step 4: Simplify right side
    1,170,515.38x = 1,068,212,253,001.84
  5. Step 5: Solve for x
    x = 1,068,212,253,001.84/1,170,515.38
  6. Step 6: Final answer
    x = 912,599.93

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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.