Home / 724,884.06-1,000,190.79-418,850.94

Finding the Fourth Proportional to 724,884.06, 1,000,190.79 and 418,850.94

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Solution

The fourth proportional to 724,884.06, 1,000,190.79 and 418,850.94 is: 577,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,884.06 : 1,000,190.79 = 418,850.94 : x
  2. Step 2: Convert to fraction form
    724,884.06/1,000,190.79 = 418,850.94/x
  3. Step 3: Cross multiply
    724,884.06x = 1,000,190.79 × 418,850.94
  4. Step 4: Simplify right side
    724,884.06x = 418,930,852,570.84
  5. Step 5: Solve for x
    x = 418,930,852,570.84/724,884.06
  6. Step 6: Final answer
    x = 577,928.08

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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.