Home / 724,015.06-999,125.52-401,718.22

Finding the Fourth Proportional to 724,015.06, 999,125.52 and 401,718.22

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Solution

The fourth proportional to 724,015.06, 999,125.52 and 401,718.22 is: 554,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,015.06 : 999,125.52 = 401,718.22 : x
  2. Step 2: Convert to fraction form
    724,015.06/999,125.52 = 401,718.22/x
  3. Step 3: Cross multiply
    724,015.06x = 999,125.52 × 401,718.22
  4. Step 4: Simplify right side
    724,015.06x = 401,366,925,450.97
  5. Step 5: Solve for x
    x = 401,366,925,450.97/724,015.06
  6. Step 6: Final answer
    x = 554,362.68

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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.