Home / 760,519.75-1,141,901.07-424,217.47

Finding the Fourth Proportional to 760,519.75, 1,141,901.07 and 424,217.47

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Solution

The fourth proportional to 760,519.75, 1,141,901.07 and 424,217.47 is: 636,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,519.75 : 1,141,901.07 = 424,217.47 : x
  2. Step 2: Convert to fraction form
    760,519.75/1,141,901.07 = 424,217.47/x
  3. Step 3: Cross multiply
    760,519.75x = 1,141,901.07 × 424,217.47
  4. Step 4: Simplify right side
    760,519.75x = 484,414,382,905.69
  5. Step 5: Solve for x
    x = 484,414,382,905.69/760,519.75
  6. Step 6: Final answer
    x = 636,951.75

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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.