Home / 945,432-1,417,352.58-439,736.04

Finding the Fourth Proportional to 945,432, 1,417,352.58 and 439,736.04

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Solution

The fourth proportional to 945,432, 1,417,352.58 and 439,736.04 is: 659,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,432 : 1,417,352.58 = 439,736.04 : x
  2. Step 2: Convert to fraction form
    945,432/1,417,352.58 = 439,736.04/x
  3. Step 3: Cross multiply
    945,432x = 1,417,352.58 × 439,736.04
  4. Step 4: Simplify right side
    945,432x = 623,261,010,812.98
  5. Step 5: Solve for x
    x = 623,261,010,812.98/945,432
  6. Step 6: Final answer
    x = 659,234.10

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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.