Home / 821,468.80-1,232,203.20-467,574.40

Finding the Fourth Proportional to 821,468.80, 1,232,203.20 and 467,574.40

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Solution

The fourth proportional to 821,468.80, 1,232,203.20 and 467,574.40 is: 701,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,468.80 : 1,232,203.20 = 467,574.40 : x
  2. Step 2: Convert to fraction form
    821,468.80/1,232,203.20 = 467,574.40/x
  3. Step 3: Cross multiply
    821,468.80x = 1,232,203.20 × 467,574.40
  4. Step 4: Simplify right side
    821,468.80x = 576,146,671,918.08
  5. Step 5: Solve for x
    x = 576,146,671,918.08/821,468.80
  6. Step 6: Final answer
    x = 701,361.60

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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.