Home / 1,072,178.77-1,479,632.55-582,169.12

Finding the Fourth Proportional to 1,072,178.77, 1,479,632.55 and 582,169.12

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Solution

The fourth proportional to 1,072,178.77, 1,479,632.55 and 582,169.12 is: 803,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,178.77 : 1,479,632.55 = 582,169.12 : x
  2. Step 2: Convert to fraction form
    1,072,178.77/1,479,632.55 = 582,169.12/x
  3. Step 3: Cross multiply
    1,072,178.77x = 1,479,632.55 × 582,169.12
  4. Step 4: Simplify right side
    1,072,178.77x = 861,396,369,247.85
  5. Step 5: Solve for x
    x = 861,396,369,247.85/1,072,178.77
  6. Step 6: Final answer
    x = 803,407.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.