Home / 941,780.53-1,299,647.97-512,060.66

Finding the Fourth Proportional to 941,780.53, 1,299,647.97 and 512,060.66

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Solution

The fourth proportional to 941,780.53, 1,299,647.97 and 512,060.66 is: 706,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,780.53 : 1,299,647.97 = 512,060.66 : x
  2. Step 2: Convert to fraction form
    941,780.53/1,299,647.97 = 512,060.66/x
  3. Step 3: Cross multiply
    941,780.53x = 1,299,647.97 × 512,060.66
  4. Step 4: Simplify right side
    941,780.53x = 665,498,595,661.30
  5. Step 5: Solve for x
    x = 665,498,595,661.30/941,780.53
  6. Step 6: Final answer
    x = 706,638.73

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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.