Home / 783,909.40-1,175,864.10-783,909.40

Finding the Fourth Proportional to 783,909.40, 1,175,864.10 and 783,909.40

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Solution

The fourth proportional to 783,909.40, 1,175,864.10 and 783,909.40 is: 1,175,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,909.40 : 1,175,864.10 = 783,909.40 : x
  2. Step 2: Convert to fraction form
    783,909.40/1,175,864.10 = 783,909.40/x
  3. Step 3: Cross multiply
    783,909.40x = 1,175,864.10 × 783,909.40
  4. Step 4: Simplify right side
    783,909.40x = 921,770,921,112.54
  5. Step 5: Solve for x
    x = 921,770,921,112.54/783,909.40
  6. Step 6: Final answer
    x = 1,175,864.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.