Home / 878,180.96-1,211,894.72-475,772.96

Finding the Fourth Proportional to 878,180.96, 1,211,894.72 and 475,772.96

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Solution

The fourth proportional to 878,180.96, 1,211,894.72 and 475,772.96 is: 656,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,180.96 : 1,211,894.72 = 475,772.96 : x
  2. Step 2: Convert to fraction form
    878,180.96/1,211,894.72 = 475,772.96/x
  3. Step 3: Cross multiply
    878,180.96x = 1,211,894.72 × 475,772.96
  4. Step 4: Simplify right side
    878,180.96x = 576,586,738,142.77
  5. Step 5: Solve for x
    x = 576,586,738,142.77/878,180.96
  6. Step 6: Final answer
    x = 656,569.39

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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.