Home / 1,454,127.20-2,181,190.80-389,333.60

Finding the Fourth Proportional to 1,454,127.20, 2,181,190.80 and 389,333.60

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Solution

The fourth proportional to 1,454,127.20, 2,181,190.80 and 389,333.60 is: 584,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,127.20 : 2,181,190.80 = 389,333.60 : x
  2. Step 2: Convert to fraction form
    1,454,127.20/2,181,190.80 = 389,333.60/x
  3. Step 3: Cross multiply
    1,454,127.20x = 2,181,190.80 × 389,333.60
  4. Step 4: Simplify right side
    1,454,127.20x = 849,210,866,450.88
  5. Step 5: Solve for x
    x = 849,210,866,450.88/1,454,127.20
  6. Step 6: Final answer
    x = 584,000.40

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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.