Home / 754,788.25-1,041,607.79-415,249.21

Finding the Fourth Proportional to 754,788.25, 1,041,607.79 and 415,249.21

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Solution

The fourth proportional to 754,788.25, 1,041,607.79 and 415,249.21 is: 573,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,788.25 : 1,041,607.79 = 415,249.21 : x
  2. Step 2: Convert to fraction form
    754,788.25/1,041,607.79 = 415,249.21/x
  3. Step 3: Cross multiply
    754,788.25x = 1,041,607.79 × 415,249.21
  4. Step 4: Simplify right side
    754,788.25x = 432,526,811,927.35
  5. Step 5: Solve for x
    x = 432,526,811,927.35/754,788.25
  6. Step 6: Final answer
    x = 573,043.91

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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.