Home / 821,695.20-1,232,542.80-655,807.20

Finding the Fourth Proportional to 821,695.20, 1,232,542.80 and 655,807.20

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Solution

The fourth proportional to 821,695.20, 1,232,542.80 and 655,807.20 is: 983,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,695.20 : 1,232,542.80 = 655,807.20 : x
  2. Step 2: Convert to fraction form
    821,695.20/1,232,542.80 = 655,807.20/x
  3. Step 3: Cross multiply
    821,695.20x = 1,232,542.80 × 655,807.20
  4. Step 4: Simplify right side
    821,695.20x = 808,310,442,548.16
  5. Step 5: Solve for x
    x = 808,310,442,548.16/821,695.20
  6. Step 6: Final answer
    x = 983,710.80

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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.