Home / 880,735.20-1,321,102.80-576,304.80

Finding the Fourth Proportional to 880,735.20, 1,321,102.80 and 576,304.80

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Solution

The fourth proportional to 880,735.20, 1,321,102.80 and 576,304.80 is: 864,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,735.20 : 1,321,102.80 = 576,304.80 : x
  2. Step 2: Convert to fraction form
    880,735.20/1,321,102.80 = 576,304.80/x
  3. Step 3: Cross multiply
    880,735.20x = 1,321,102.80 × 576,304.80
  4. Step 4: Simplify right side
    880,735.20x = 761,357,884,933.44
  5. Step 5: Solve for x
    x = 761,357,884,933.44/880,735.20
  6. Step 6: Final answer
    x = 864,457.20

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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.