Home / 1,109,327.11-1,663,995.54-351,172.30

Finding the Fourth Proportional to 1,109,327.11, 1,663,995.54 and 351,172.30

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Solution

The fourth proportional to 1,109,327.11, 1,663,995.54 and 351,172.30 is: 526,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,327.11 : 1,663,995.54 = 351,172.30 : x
  2. Step 2: Convert to fraction form
    1,109,327.11/1,663,995.54 = 351,172.30/x
  3. Step 3: Cross multiply
    1,109,327.11x = 1,663,995.54 × 351,172.30
  4. Step 4: Simplify right side
    1,109,327.11x = 584,349,140,971.54
  5. Step 5: Solve for x
    x = 584,349,140,971.54/1,109,327.11
  6. Step 6: Final answer
    x = 526,759.99

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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.