Home / 1,134,320.39-1,565,342.35-618,078.61

Finding the Fourth Proportional to 1,134,320.39, 1,565,342.35 and 618,078.61

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Solution

The fourth proportional to 1,134,320.39, 1,565,342.35 and 618,078.61 is: 852,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,320.39 : 1,565,342.35 = 618,078.61 : x
  2. Step 2: Convert to fraction form
    1,134,320.39/1,565,342.35 = 618,078.61/x
  3. Step 3: Cross multiply
    1,134,320.39x = 1,565,342.35 × 618,078.61
  4. Step 4: Simplify right side
    1,134,320.39x = 967,504,626,591.41
  5. Step 5: Solve for x
    x = 967,504,626,591.41/1,134,320.39
  6. Step 6: Final answer
    x = 852,937.70

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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.