Home / 828,309.20-1,242,463.80-576,366.80

Finding the Fourth Proportional to 828,309.20, 1,242,463.80 and 576,366.80

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Solution

The fourth proportional to 828,309.20, 1,242,463.80 and 576,366.80 is: 864,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,309.20 : 1,242,463.80 = 576,366.80 : x
  2. Step 2: Convert to fraction form
    828,309.20/1,242,463.80 = 576,366.80/x
  3. Step 3: Cross multiply
    828,309.20x = 1,242,463.80 × 576,366.80
  4. Step 4: Simplify right side
    828,309.20x = 716,114,884,521.84
  5. Step 5: Solve for x
    x = 716,114,884,521.84/828,309.20
  6. Step 6: Final answer
    x = 864,550.20

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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.