Home / 293,729.40-440,594.10-278,566.20

Finding the Fourth Proportional to 293,729.40, 440,594.10 and 278,566.20

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Solution

The fourth proportional to 293,729.40, 440,594.10 and 278,566.20 is: 417,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,729.40 : 440,594.10 = 278,566.20 : x
  2. Step 2: Convert to fraction form
    293,729.40/440,594.10 = 278,566.20/x
  3. Step 3: Cross multiply
    293,729.40x = 440,594.10 × 278,566.20
  4. Step 4: Simplify right side
    293,729.40x = 122,734,624,179.42
  5. Step 5: Solve for x
    x = 122,734,624,179.42/293,729.40
  6. Step 6: Final answer
    x = 417,849.30

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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.