Home / 767,715.50-1,151,720.88-294,363.92

Finding the Fourth Proportional to 767,715.50, 1,151,720.88 and 294,363.92

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Solution

The fourth proportional to 767,715.50, 1,151,720.88 and 294,363.92 is: 441,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,715.50 : 1,151,720.88 = 294,363.92 : x
  2. Step 2: Convert to fraction form
    767,715.50/1,151,720.88 = 294,363.92/x
  3. Step 3: Cross multiply
    767,715.50x = 1,151,720.88 × 294,363.92
  4. Step 4: Simplify right side
    767,715.50x = 339,025,072,982.65
  5. Step 5: Solve for x
    x = 339,025,072,982.65/767,715.50
  6. Step 6: Final answer
    x = 441,602.49

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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.