Home / 741,484.84-1,023,209.34-419,175.72

Finding the Fourth Proportional to 741,484.84, 1,023,209.34 and 419,175.72

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Solution

The fourth proportional to 741,484.84, 1,023,209.34 and 419,175.72 is: 578,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,484.84 : 1,023,209.34 = 419,175.72 : x
  2. Step 2: Convert to fraction form
    741,484.84/1,023,209.34 = 419,175.72/x
  3. Step 3: Cross multiply
    741,484.84x = 1,023,209.34 × 419,175.72
  4. Step 4: Simplify right side
    741,484.84x = 428,904,511,805.23
  5. Step 5: Solve for x
    x = 428,904,511,805.23/741,484.84
  6. Step 6: Final answer
    x = 578,440.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.