Home / 1,074,519.06-1,611,778.57-316,360.65

Finding the Fourth Proportional to 1,074,519.06, 1,611,778.57 and 316,360.65

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Solution

The fourth proportional to 1,074,519.06, 1,611,778.57 and 316,360.65 is: 474,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,519.06 : 1,611,778.57 = 316,360.65 : x
  2. Step 2: Convert to fraction form
    1,074,519.06/1,611,778.57 = 316,360.65/x
  3. Step 3: Cross multiply
    1,074,519.06x = 1,611,778.57 × 316,360.65
  4. Step 4: Simplify right side
    1,074,519.06x = 509,903,316,061.27
  5. Step 5: Solve for x
    x = 509,903,316,061.27/1,074,519.06
  6. Step 6: Final answer
    x = 474,540.97

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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.