Home / 1,191,995.42-1,644,974.19-648,134.87

Finding the Fourth Proportional to 1,191,995.42, 1,644,974.19 and 648,134.87

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Solution

The fourth proportional to 1,191,995.42, 1,644,974.19 and 648,134.87 is: 894,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,995.42 : 1,644,974.19 = 648,134.87 : x
  2. Step 2: Convert to fraction form
    1,191,995.42/1,644,974.19 = 648,134.87/x
  3. Step 3: Cross multiply
    1,191,995.42x = 1,644,974.19 × 648,134.87
  4. Step 4: Simplify right side
    1,191,995.42x = 1,066,165,124,564.13
  5. Step 5: Solve for x
    x = 1,066,165,124,564.13/1,191,995.42
  6. Step 6: Final answer
    x = 894,437.27

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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.