Home / 915,859.94-1,374,079.62-410,854.10

Finding the Fourth Proportional to 915,859.94, 1,374,079.62 and 410,854.10

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Solution

The fourth proportional to 915,859.94, 1,374,079.62 and 410,854.10 is: 616,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,859.94 : 1,374,079.62 = 410,854.10 : x
  2. Step 2: Convert to fraction form
    915,859.94/1,374,079.62 = 410,854.10/x
  3. Step 3: Cross multiply
    915,859.94x = 1,374,079.62 × 410,854.10
  4. Step 4: Simplify right side
    915,859.94x = 564,546,245,603.44
  5. Step 5: Solve for x
    x = 564,546,245,603.44/915,859.94
  6. Step 6: Final answer
    x = 616,411.11

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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.