Home / 1,454,005.80-2,181,354.30-612,124.20

Finding the Fourth Proportional to 1,454,005.80, 2,181,354.30 and 612,124.20

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Solution

The fourth proportional to 1,454,005.80, 2,181,354.30 and 612,124.20 is: 918,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,005.80 : 2,181,354.30 = 612,124.20 : x
  2. Step 2: Convert to fraction form
    1,454,005.80/2,181,354.30 = 612,124.20/x
  3. Step 3: Cross multiply
    1,454,005.80x = 2,181,354.30 × 612,124.20
  4. Step 4: Simplify right side
    1,454,005.80x = 1,335,259,755,804.06
  5. Step 5: Solve for x
    x = 1,335,259,755,804.06/1,454,005.80
  6. Step 6: Final answer
    x = 918,331.79

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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.