Home / 741,973-1,023,922.84-419,676.16

Finding the Fourth Proportional to 741,973, 1,023,922.84 and 419,676.16

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Solution

The fourth proportional to 741,973, 1,023,922.84 and 419,676.16 is: 579,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,973 : 1,023,922.84 = 419,676.16 : x
  2. Step 2: Convert to fraction form
    741,973/1,023,922.84 = 419,676.16/x
  3. Step 3: Cross multiply
    741,973x = 1,023,922.84 × 419,676.16
  4. Step 4: Simplify right side
    741,973x = 429,716,005,627.49
  5. Step 5: Solve for x
    x = 429,716,005,627.49/741,973
  6. Step 6: Final answer
    x = 579,153.16

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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.