Home / 760,949.07-1,141,472.82-255,489.63

Finding the Fourth Proportional to 760,949.07, 1,141,472.82 and 255,489.63

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Solution

The fourth proportional to 760,949.07, 1,141,472.82 and 255,489.63 is: 383,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,949.07 : 1,141,472.82 = 255,489.63 : x
  2. Step 2: Convert to fraction form
    760,949.07/1,141,472.82 = 255,489.63/x
  3. Step 3: Cross multiply
    760,949.07x = 1,141,472.82 × 255,489.63
  4. Step 4: Simplify right side
    760,949.07x = 291,634,468,436.86
  5. Step 5: Solve for x
    x = 291,634,468,436.86/760,949.07
  6. Step 6: Final answer
    x = 383,250.97

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Double scale
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Similar ratio
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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.