Home / 734,878.20-1,102,317.30-314,196.60

Finding the Fourth Proportional to 734,878.20, 1,102,317.30 and 314,196.60

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Solution

The fourth proportional to 734,878.20, 1,102,317.30 and 314,196.60 is: 471,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,878.20 : 1,102,317.30 = 314,196.60 : x
  2. Step 2: Convert to fraction form
    734,878.20/1,102,317.30 = 314,196.60/x
  3. Step 3: Cross multiply
    734,878.20x = 1,102,317.30 × 314,196.60
  4. Step 4: Simplify right side
    734,878.20x = 346,344,347,781.18
  5. Step 5: Solve for x
    x = 346,344,347,781.18/734,878.20
  6. Step 6: Final answer
    x = 471,294.90

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Double scale
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Similar ratio
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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.