Home / 874,173.25-1,206,445.44-511,575.48

Finding the Fourth Proportional to 874,173.25, 1,206,445.44 and 511,575.48

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Solution

The fourth proportional to 874,173.25, 1,206,445.44 and 511,575.48 is: 706,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,173.25 : 1,206,445.44 = 511,575.48 : x
  2. Step 2: Convert to fraction form
    874,173.25/1,206,445.44 = 511,575.48/x
  3. Step 3: Cross multiply
    874,173.25x = 1,206,445.44 × 511,575.48
  4. Step 4: Simplify right side
    874,173.25x = 617,187,904,102.61
  5. Step 5: Solve for x
    x = 617,187,904,102.61/874,173.25
  6. Step 6: Final answer
    x = 706,024.70

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1.5x scale

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.