Home / 1,123,650.80-1,685,476.20-450,054.80

Finding the Fourth Proportional to 1,123,650.80, 1,685,476.20 and 450,054.80

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Solution

The fourth proportional to 1,123,650.80, 1,685,476.20 and 450,054.80 is: 675,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,650.80 : 1,685,476.20 = 450,054.80 : x
  2. Step 2: Convert to fraction form
    1,123,650.80/1,685,476.20 = 450,054.80/x
  3. Step 3: Cross multiply
    1,123,650.80x = 1,685,476.20 × 450,054.80
  4. Step 4: Simplify right side
    1,123,650.80x = 758,556,654,095.76
  5. Step 5: Solve for x
    x = 758,556,654,095.76/1,123,650.80
  6. Step 6: Final answer
    x = 675,082.20

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Double scale
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Similar ratio
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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.