Home / 945,809.64-1,418,699.39-440,087.76

Finding the Fourth Proportional to 945,809.64, 1,418,699.39 and 440,087.76

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Solution

The fourth proportional to 945,809.64, 1,418,699.39 and 440,087.76 is: 660,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,809.64 : 1,418,699.39 = 440,087.76 : x
  2. Step 2: Convert to fraction form
    945,809.64/1,418,699.39 = 440,087.76/x
  3. Step 3: Cross multiply
    945,809.64x = 1,418,699.39 × 440,087.76
  4. Step 4: Simplify right side
    945,809.64x = 624,352,234,458.03
  5. Step 5: Solve for x
    x = 624,352,234,458.03/945,809.64
  6. Step 6: Final answer
    x = 660,124.63

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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.