Home / 667,728.15-1,002,592.77-578,047.48

Finding the Fourth Proportional to 667,728.15, 1,002,592.77 and 578,047.48

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Solution

The fourth proportional to 667,728.15, 1,002,592.77 and 578,047.48 is: 867,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,728.15 : 1,002,592.77 = 578,047.48 : x
  2. Step 2: Convert to fraction form
    667,728.15/1,002,592.77 = 578,047.48/x
  3. Step 3: Cross multiply
    667,728.15x = 1,002,592.77 × 578,047.48
  4. Step 4: Simplify right side
    667,728.15x = 579,546,224,164.72
  5. Step 5: Solve for x
    x = 579,546,224,164.72/667,728.15
  6. Step 6: Final answer
    x = 867,937.38

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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.