Home / 724,227.27-999,444.59-401,958.24

Finding the Fourth Proportional to 724,227.27, 999,444.59 and 401,958.24

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Solution

The fourth proportional to 724,227.27, 999,444.59 and 401,958.24 is: 554,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,227.27 : 999,444.59 = 401,958.24 : x
  2. Step 2: Convert to fraction form
    724,227.27/999,444.59 = 401,958.24/x
  3. Step 3: Cross multiply
    724,227.27x = 999,444.59 × 401,958.24
  4. Step 4: Simplify right side
    724,227.27x = 401,734,988,373.92
  5. Step 5: Solve for x
    x = 401,734,988,373.92/724,227.27
  6. Step 6: Final answer
    x = 554,708.45

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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.