Home / 945,803.64-1,418,690.41-440,081.76

Finding the Fourth Proportional to 945,803.64, 1,418,690.41 and 440,081.76

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Solution

The fourth proportional to 945,803.64, 1,418,690.41 and 440,081.76 is: 660,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,803.64 : 1,418,690.41 = 440,081.76 : x
  2. Step 2: Convert to fraction form
    945,803.64/1,418,690.41 = 440,081.76/x
  3. Step 3: Cross multiply
    945,803.64x = 1,418,690.41 × 440,081.76
  4. Step 4: Simplify right side
    945,803.64x = 624,339,772,527.92
  5. Step 5: Solve for x
    x = 624,339,772,527.92/945,803.64
  6. Step 6: Final answer
    x = 660,115.64

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Double scale
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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.