Home / 1,122,352.14-1,683,528.22-412,072.86

Finding the Fourth Proportional to 1,122,352.14, 1,683,528.22 and 412,072.86

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Solution

The fourth proportional to 1,122,352.14, 1,683,528.22 and 412,072.86 is: 618,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,352.14 : 1,683,528.22 = 412,072.86 : x
  2. Step 2: Convert to fraction form
    1,122,352.14/1,683,528.22 = 412,072.86/x
  3. Step 3: Cross multiply
    1,122,352.14x = 1,683,528.22 × 412,072.86
  4. Step 4: Simplify right side
    1,122,352.14x = 693,736,288,506.11
  5. Step 5: Solve for x
    x = 693,736,288,506.11/1,122,352.14
  6. Step 6: Final answer
    x = 618,109.29

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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.