Home / 1,202,749.52-1,659,751-686,530.04

Finding the Fourth Proportional to 1,202,749.52, 1,659,751 and 686,530.04

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Solution

The fourth proportional to 1,202,749.52, 1,659,751 and 686,530.04 is: 947,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,749.52 : 1,659,751 = 686,530.04 : x
  2. Step 2: Convert to fraction form
    1,202,749.52/1,659,751 = 686,530.04/x
  3. Step 3: Cross multiply
    1,202,749.52x = 1,659,751 × 686,530.04
  4. Step 4: Simplify right side
    1,202,749.52x = 1,139,468,920,420.04
  5. Step 5: Solve for x
    x = 1,139,468,920,420.04/1,202,749.52
  6. Step 6: Final answer
    x = 947,386.72

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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.