Home / 945,761.16-1,418,855.58-314,699.88

Finding the Fourth Proportional to 945,761.16, 1,418,855.58 and 314,699.88

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Solution

The fourth proportional to 945,761.16, 1,418,855.58 and 314,699.88 is: 472,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,761.16 : 1,418,855.58 = 314,699.88 : x
  2. Step 2: Convert to fraction form
    945,761.16/1,418,855.58 = 314,699.88/x
  3. Step 3: Cross multiply
    945,761.16x = 1,418,855.58 × 314,699.88
  4. Step 4: Simplify right side
    945,761.16x = 446,513,680,763.33
  5. Step 5: Solve for x
    x = 446,513,680,763.33/945,761.16
  6. Step 6: Final answer
    x = 472,120.97

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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.