Home / 1,122,506.83-1,683,760.24-412,227.55

Finding the Fourth Proportional to 1,122,506.83, 1,683,760.24 and 412,227.55

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Solution

The fourth proportional to 1,122,506.83, 1,683,760.24 and 412,227.55 is: 618,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,506.83 : 1,683,760.24 = 412,227.55 : x
  2. Step 2: Convert to fraction form
    1,122,506.83/1,683,760.24 = 412,227.55/x
  3. Step 3: Cross multiply
    1,122,506.83x = 1,683,760.24 × 412,227.55
  4. Step 4: Simplify right side
    1,122,506.83x = 694,092,354,828.50
  5. Step 5: Solve for x
    x = 694,092,354,828.50/1,122,506.83
  6. Step 6: Final answer
    x = 618,341.32

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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.