Home / 989,234-1,482,634.68-456,015.44

Finding the Fourth Proportional to 989,234, 1,482,634.68 and 456,015.44

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Solution

The fourth proportional to 989,234, 1,482,634.68 and 456,015.44 is: 683,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,234 : 1,482,634.68 = 456,015.44 : x
  2. Step 2: Convert to fraction form
    989,234/1,482,634.68 = 456,015.44/x
  3. Step 3: Cross multiply
    989,234x = 1,482,634.68 × 456,015.44
  4. Step 4: Simplify right side
    989,234x = 676,104,305,959.46
  5. Step 5: Solve for x
    x = 676,104,305,959.46/989,234
  6. Step 6: Final answer
    x = 683,462.46

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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.