Home / 761,157.46-1,141,868.15-255,767.78

Finding the Fourth Proportional to 761,157.46, 1,141,868.15 and 255,767.78

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Solution

The fourth proportional to 761,157.46, 1,141,868.15 and 255,767.78 is: 383,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,157.46 : 1,141,868.15 = 255,767.78 : x
  2. Step 2: Convert to fraction form
    761,157.46/1,141,868.15 = 255,767.78/x
  3. Step 3: Cross multiply
    761,157.46x = 1,141,868.15 × 255,767.78
  4. Step 4: Simplify right side
    761,157.46x = 292,053,081,778.21
  5. Step 5: Solve for x
    x = 292,053,081,778.21/761,157.46
  6. Step 6: Final answer
    x = 383,696.01

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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.