Home / 1,155,939.14-1,595,131.85-646,543.10

Finding the Fourth Proportional to 1,155,939.14, 1,595,131.85 and 646,543.10

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Solution

The fourth proportional to 1,155,939.14, 1,595,131.85 and 646,543.10 is: 892,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,939.14 : 1,595,131.85 = 646,543.10 : x
  2. Step 2: Convert to fraction form
    1,155,939.14/1,595,131.85 = 646,543.10/x
  3. Step 3: Cross multiply
    1,155,939.14x = 1,595,131.85 × 646,543.10
  4. Step 4: Simplify right side
    1,155,939.14x = 1,031,321,491,207.74
  5. Step 5: Solve for x
    x = 1,031,321,491,207.74/1,155,939.14
  6. Step 6: Final answer
    x = 892,193.59

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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.