Home / 456,811.10-683,272.65-409,766.30

Finding the Fourth Proportional to 456,811.10, 683,272.65 and 409,766.30

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Solution

The fourth proportional to 456,811.10, 683,272.65 and 409,766.30 is: 612,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,811.10 : 683,272.65 = 409,766.30 : x
  2. Step 2: Convert to fraction form
    456,811.10/683,272.65 = 409,766.30/x
  3. Step 3: Cross multiply
    456,811.10x = 683,272.65 × 409,766.30
  4. Step 4: Simplify right side
    456,811.10x = 279,982,105,681.70
  5. Step 5: Solve for x
    x = 279,982,105,681.70/456,811.10
  6. Step 6: Final answer
    x = 612,905.65

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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.