Home / 1,104,401.10-1,656,601.65-394,452.30

Finding the Fourth Proportional to 1,104,401.10, 1,656,601.65 and 394,452.30

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Solution

The fourth proportional to 1,104,401.10, 1,656,601.65 and 394,452.30 is: 591,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,401.10 : 1,656,601.65 = 394,452.30 : x
  2. Step 2: Convert to fraction form
    1,104,401.10/1,656,601.65 = 394,452.30/x
  3. Step 3: Cross multiply
    1,104,401.10x = 1,656,601.65 × 394,452.30
  4. Step 4: Simplify right side
    1,104,401.10x = 653,450,331,026.30
  5. Step 5: Solve for x
    x = 653,450,331,026.30/1,104,401.10
  6. Step 6: Final answer
    x = 591,678.45

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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.