Home / 723,438.60-1,084,850.70-349,576.20

Finding the Fourth Proportional to 723,438.60, 1,084,850.70 and 349,576.20

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Solution

The fourth proportional to 723,438.60, 1,084,850.70 and 349,576.20 is: 524,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,438.60 : 1,084,850.70 = 349,576.20 : x
  2. Step 2: Convert to fraction form
    723,438.60/1,084,850.70 = 349,576.20/x
  3. Step 3: Cross multiply
    723,438.60x = 1,084,850.70 × 349,576.20
  4. Step 4: Simplify right side
    723,438.60x = 379,237,985,273.34
  5. Step 5: Solve for x
    x = 379,237,985,273.34/723,438.60
  6. Step 6: Final answer
    x = 524,215.86

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Double scale
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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.