Home / 619,863.55-929,434.05-240,340.91

Finding the Fourth Proportional to 619,863.55, 929,434.05 and 240,340.91

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Solution

The fourth proportional to 619,863.55, 929,434.05 and 240,340.91 is: 360,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,863.55 : 929,434.05 = 240,340.91 : x
  2. Step 2: Convert to fraction form
    619,863.55/929,434.05 = 240,340.91/x
  3. Step 3: Cross multiply
    619,863.55x = 929,434.05 × 240,340.91
  4. Step 4: Simplify right side
    619,863.55x = 223,381,020,714.82
  5. Step 5: Solve for x
    x = 223,381,020,714.82/619,863.55
  6. Step 6: Final answer
    x = 360,371.28

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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.