Home / 945,849.66-1,418,734.74-440,236.74

Finding the Fourth Proportional to 945,849.66, 1,418,734.74 and 440,236.74

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Solution

The fourth proportional to 945,849.66, 1,418,734.74 and 440,236.74 is: 660,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,849.66 : 1,418,734.74 = 440,236.74 : x
  2. Step 2: Convert to fraction form
    945,849.66/1,418,734.74 = 440,236.74/x
  3. Step 3: Cross multiply
    945,849.66x = 1,418,734.74 × 440,236.74
  4. Step 4: Simplify right side
    945,849.66x = 624,579,156,862.35
  5. Step 5: Solve for x
    x = 624,579,156,862.35/945,849.66
  6. Step 6: Final answer
    x = 660,336.61

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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.