Home / 1,404,489.57-1,938,195.57-759,909.76

Finding the Fourth Proportional to 1,404,489.57, 1,938,195.57 and 759,909.76

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Solution

The fourth proportional to 1,404,489.57, 1,938,195.57 and 759,909.76 is: 1,048,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,489.57 : 1,938,195.57 = 759,909.76 : x
  2. Step 2: Convert to fraction form
    1,404,489.57/1,938,195.57 = 759,909.76/x
  3. Step 3: Cross multiply
    1,404,489.57x = 1,938,195.57 × 759,909.76
  4. Step 4: Simplify right side
    1,404,489.57x = 1,472,853,730,431.76
  5. Step 5: Solve for x
    x = 1,472,853,730,431.76/1,404,489.57
  6. Step 6: Final answer
    x = 1,048,675.45

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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.