Home / 1,197,138.66-1,652,086.47-653,309.57

Finding the Fourth Proportional to 1,197,138.66, 1,652,086.47 and 653,309.57

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Solution

The fourth proportional to 1,197,138.66, 1,652,086.47 and 653,309.57 is: 901,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,138.66 : 1,652,086.47 = 653,309.57 : x
  2. Step 2: Convert to fraction form
    1,197,138.66/1,652,086.47 = 653,309.57/x
  3. Step 3: Cross multiply
    1,197,138.66x = 1,652,086.47 × 653,309.57
  4. Step 4: Simplify right side
    1,197,138.66x = 1,079,323,901,318.52
  5. Step 5: Solve for x
    x = 1,079,323,901,318.52/1,197,138.66
  6. Step 6: Final answer
    x = 901,586.37

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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.