Home / 680,920.60-1,021,380.90-232,148.20

Finding the Fourth Proportional to 680,920.60, 1,021,380.90 and 232,148.20

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Solution

The fourth proportional to 680,920.60, 1,021,380.90 and 232,148.20 is: 348,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,920.60 : 1,021,380.90 = 232,148.20 : x
  2. Step 2: Convert to fraction form
    680,920.60/1,021,380.90 = 232,148.20/x
  3. Step 3: Cross multiply
    680,920.60x = 1,021,380.90 × 232,148.20
  4. Step 4: Simplify right side
    680,920.60x = 237,111,737,449.38
  5. Step 5: Solve for x
    x = 237,111,737,449.38/680,920.60
  6. Step 6: Final answer
    x = 348,222.30

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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.