Home / 1,152,627.60-1,728,805.32-311,244.96

Finding the Fourth Proportional to 1,152,627.60, 1,728,805.32 and 311,244.96

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Solution

The fourth proportional to 1,152,627.60, 1,728,805.32 and 311,244.96 is: 466,830.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,627.60 : 1,728,805.32 = 311,244.96 : x
  2. Step 2: Convert to fraction form
    1,152,627.60/1,728,805.32 = 311,244.96/x
  3. Step 3: Cross multiply
    1,152,627.60x = 1,728,805.32 × 311,244.96
  4. Step 4: Simplify right side
    1,152,627.60x = 538,081,942,671.19
  5. Step 5: Solve for x
    x = 538,081,942,671.19/1,152,627.60
  6. Step 6: Final answer
    x = 466,830.69

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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.