Home / 880,657.20-1,320,985.80-576,226.80

Finding the Fourth Proportional to 880,657.20, 1,320,985.80 and 576,226.80

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Solution

The fourth proportional to 880,657.20, 1,320,985.80 and 576,226.80 is: 864,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,657.20 : 1,320,985.80 = 576,226.80 : x
  2. Step 2: Convert to fraction form
    880,657.20/1,320,985.80 = 576,226.80/x
  3. Step 3: Cross multiply
    880,657.20x = 1,320,985.80 × 576,226.80
  4. Step 4: Simplify right side
    880,657.20x = 761,187,420,379.44
  5. Step 5: Solve for x
    x = 761,187,420,379.44/880,657.20
  6. Step 6: Final answer
    x = 864,340.20

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1.5x scale

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.