Home / 619,949.80-929,694.30-245,895.40

Finding the Fourth Proportional to 619,949.80, 929,694.30 and 245,895.40

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Solution

The fourth proportional to 619,949.80, 929,694.30 and 245,895.40 is: 368,751.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,949.80 : 929,694.30 = 245,895.40 : x
  2. Step 2: Convert to fraction form
    619,949.80/929,694.30 = 245,895.40/x
  3. Step 3: Cross multiply
    619,949.80x = 929,694.30 × 245,895.40
  4. Step 4: Simplify right side
    619,949.80x = 228,607,551,776.22
  5. Step 5: Solve for x
    x = 228,607,551,776.22/619,949.80
  6. Step 6: Final answer
    x = 368,751.71

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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.