Home / 575,972.20-863,548.38-220,685.80

Finding the Fourth Proportional to 575,972.20, 863,548.38 and 220,685.80

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Solution

The fourth proportional to 575,972.20, 863,548.38 and 220,685.80 is: 330,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,972.20 : 863,548.38 = 220,685.80 : x
  2. Step 2: Convert to fraction form
    575,972.20/863,548.38 = 220,685.80/x
  3. Step 3: Cross multiply
    575,972.20x = 863,548.38 × 220,685.80
  4. Step 4: Simplify right side
    575,972.20x = 190,572,865,079.00
  5. Step 5: Solve for x
    x = 190,572,865,079.00/575,972.20
  6. Step 6: Final answer
    x = 330,871.64

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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.