Home / 767,282.80-1,151,269.80-367,769.20

Finding the Fourth Proportional to 767,282.80, 1,151,269.80 and 367,769.20

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Solution

The fourth proportional to 767,282.80, 1,151,269.80 and 367,769.20 is: 551,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,282.80 : 1,151,269.80 = 367,769.20 : x
  2. Step 2: Convert to fraction form
    767,282.80/1,151,269.80 = 367,769.20/x
  3. Step 3: Cross multiply
    767,282.80x = 1,151,269.80 × 367,769.20
  4. Step 4: Simplify right side
    767,282.80x = 423,401,573,330.16
  5. Step 5: Solve for x
    x = 423,401,573,330.16/767,282.80
  6. Step 6: Final answer
    x = 551,819.45

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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.