Home / 784,554.20-1,177,031.78-252,080.45

Finding the Fourth Proportional to 784,554.20, 1,177,031.78 and 252,080.45

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Solution

The fourth proportional to 784,554.20, 1,177,031.78 and 252,080.45 is: 378,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,554.20 : 1,177,031.78 = 252,080.45 : x
  2. Step 2: Convert to fraction form
    784,554.20/1,177,031.78 = 252,080.45/x
  3. Step 3: Cross multiply
    784,554.20x = 1,177,031.78 × 252,080.45
  4. Step 4: Simplify right side
    784,554.20x = 296,706,699,506.30
  5. Step 5: Solve for x
    x = 296,706,699,506.30/784,554.20
  6. Step 6: Final answer
    x = 378,185.09

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Double scale
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1.5x scale

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.