Home / 934,171.88-1,289,161.11-526,278.60

Finding the Fourth Proportional to 934,171.88, 1,289,161.11 and 526,278.60

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Solution

The fourth proportional to 934,171.88, 1,289,161.11 and 526,278.60 is: 726,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,171.88 : 1,289,161.11 = 526,278.60 : x
  2. Step 2: Convert to fraction form
    934,171.88/1,289,161.11 = 526,278.60/x
  3. Step 3: Cross multiply
    934,171.88x = 1,289,161.11 × 526,278.60
  4. Step 4: Simplify right side
    934,171.88x = 678,457,904,145.25
  5. Step 5: Solve for x
    x = 678,457,904,145.25/934,171.88
  6. Step 6: Final answer
    x = 726,266.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.