Home / 725,170.92-1,000,413.90-483,217.44

Finding the Fourth Proportional to 725,170.92, 1,000,413.90 and 483,217.44

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Solution

The fourth proportional to 725,170.92, 1,000,413.90 and 483,217.44 is: 666,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,170.92 : 1,000,413.90 = 483,217.44 : x
  2. Step 2: Convert to fraction form
    725,170.92/1,000,413.90 = 483,217.44/x
  3. Step 3: Cross multiply
    725,170.92x = 1,000,413.90 × 483,217.44
  4. Step 4: Simplify right side
    725,170.92x = 483,417,443,698.42
  5. Step 5: Solve for x
    x = 483,417,443,698.42/725,170.92
  6. Step 6: Final answer
    x = 666,625.52

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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.