Home / 723,040.24-1,084,554.80-217,599.04

Finding the Fourth Proportional to 723,040.24, 1,084,554.80 and 217,599.04

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Solution

The fourth proportional to 723,040.24, 1,084,554.80 and 217,599.04 is: 326,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,040.24 : 1,084,554.80 = 217,599.04 : x
  2. Step 2: Convert to fraction form
    723,040.24/1,084,554.80 = 217,599.04/x
  3. Step 3: Cross multiply
    723,040.24x = 1,084,554.80 × 217,599.04
  4. Step 4: Simplify right side
    723,040.24x = 235,998,083,307.39
  5. Step 5: Solve for x
    x = 235,998,083,307.39/723,040.24
  6. Step 6: Final answer
    x = 326,396.89

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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.