Home / 864,197.43-1,192,414.36-496,603.56

Finding the Fourth Proportional to 864,197.43, 1,192,414.36 and 496,603.56

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Solution

The fourth proportional to 864,197.43, 1,192,414.36 and 496,603.56 is: 685,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,197.43 : 1,192,414.36 = 496,603.56 : x
  2. Step 2: Convert to fraction form
    864,197.43/1,192,414.36 = 496,603.56/x
  3. Step 3: Cross multiply
    864,197.43x = 1,192,414.36 × 496,603.56
  4. Step 4: Simplify right side
    864,197.43x = 592,157,216,171.12
  5. Step 5: Solve for x
    x = 592,157,216,171.12/864,197.43
  6. Step 6: Final answer
    x = 685,210.57

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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.