Home / 1,195,420.38-1,649,681.38-651,556.61

Finding the Fourth Proportional to 1,195,420.38, 1,649,681.38 and 651,556.61

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Solution

The fourth proportional to 1,195,420.38, 1,649,681.38 and 651,556.61 is: 899,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,420.38 : 1,649,681.38 = 651,556.61 : x
  2. Step 2: Convert to fraction form
    1,195,420.38/1,649,681.38 = 651,556.61/x
  3. Step 3: Cross multiply
    1,195,420.38x = 1,649,681.38 × 651,556.61
  4. Step 4: Simplify right side
    1,195,420.38x = 1,074,860,815,564.72
  5. Step 5: Solve for x
    x = 1,074,860,815,564.72/1,195,420.38
  6. Step 6: Final answer
    x = 899,148.81

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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.