Home / 866,089.80-1,195,155.60-478,882.80

Finding the Fourth Proportional to 866,089.80, 1,195,155.60 and 478,882.80

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Solution

The fourth proportional to 866,089.80, 1,195,155.60 and 478,882.80 is: 660,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,089.80 : 1,195,155.60 = 478,882.80 : x
  2. Step 2: Convert to fraction form
    866,089.80/1,195,155.60 = 478,882.80/x
  3. Step 3: Cross multiply
    866,089.80x = 1,195,155.60 × 478,882.80
  4. Step 4: Simplify right side
    866,089.80x = 572,339,460,163.68
  5. Step 5: Solve for x
    x = 572,339,460,163.68/866,089.80
  6. Step 6: Final answer
    x = 660,831.54

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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.