Home / 1,244,795.40-1,867,193.10-403,432.20

Finding the Fourth Proportional to 1,244,795.40, 1,867,193.10 and 403,432.20

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Solution

The fourth proportional to 1,244,795.40, 1,867,193.10 and 403,432.20 is: 605,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,795.40 : 1,867,193.10 = 403,432.20 : x
  2. Step 2: Convert to fraction form
    1,244,795.40/1,867,193.10 = 403,432.20/x
  3. Step 3: Cross multiply
    1,244,795.40x = 1,867,193.10 × 403,432.20
  4. Step 4: Simplify right side
    1,244,795.40x = 753,285,820,157.82
  5. Step 5: Solve for x
    x = 753,285,820,157.82/1,244,795.40
  6. Step 6: Final answer
    x = 605,148.30

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Double scale
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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.