Home / 1,202,762.52-1,659,768.94-686,543.04

Finding the Fourth Proportional to 1,202,762.52, 1,659,768.94 and 686,543.04

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Solution

The fourth proportional to 1,202,762.52, 1,659,768.94 and 686,543.04 is: 947,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,762.52 : 1,659,768.94 = 686,543.04 : x
  2. Step 2: Convert to fraction form
    1,202,762.52/1,659,768.94 = 686,543.04/x
  3. Step 3: Cross multiply
    1,202,762.52x = 1,659,768.94 × 686,543.04
  4. Step 4: Simplify right side
    1,202,762.52x = 1,139,502,813,765.18
  5. Step 5: Solve for x
    x = 1,139,502,813,765.18/1,202,762.52
  6. Step 6: Final answer
    x = 947,404.66

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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.