Home / 724,283.42-999,557.83-401,993.54

Finding the Fourth Proportional to 724,283.42, 999,557.83 and 401,993.54

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Solution

The fourth proportional to 724,283.42, 999,557.83 and 401,993.54 is: 554,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,283.42 : 999,557.83 = 401,993.54 : x
  2. Step 2: Convert to fraction form
    724,283.42/999,557.83 = 401,993.54/x
  3. Step 3: Cross multiply
    724,283.42x = 999,557.83 × 401,993.54
  4. Step 4: Simplify right side
    724,283.42x = 401,815,790,516.42
  5. Step 5: Solve for x
    x = 401,815,790,516.42/724,283.42
  6. Step 6: Final answer
    x = 554,777.01

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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.