Home / 619,577.10-929,912.40-366,541.20

Finding the Fourth Proportional to 619,577.10, 929,912.40 and 366,541.20

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Solution

The fourth proportional to 619,577.10, 929,912.40 and 366,541.20 is: 550,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,577.10 : 929,912.40 = 366,541.20 : x
  2. Step 2: Convert to fraction form
    619,577.10/929,912.40 = 366,541.20/x
  3. Step 3: Cross multiply
    619,577.10x = 929,912.40 × 366,541.20
  4. Step 4: Simplify right side
    619,577.10x = 340,851,206,990.88
  5. Step 5: Solve for x
    x = 340,851,206,990.88/619,577.10
  6. Step 6: Final answer
    x = 550,135.26

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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.