Home / 726,869.16-1,090,428.30-247,046.22

Finding the Fourth Proportional to 726,869.16, 1,090,428.30 and 247,046.22

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Solution

The fourth proportional to 726,869.16, 1,090,428.30 and 247,046.22 is: 370,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,869.16 : 1,090,428.30 = 247,046.22 : x
  2. Step 2: Convert to fraction form
    726,869.16/1,090,428.30 = 247,046.22/x
  3. Step 3: Cross multiply
    726,869.16x = 1,090,428.30 × 247,046.22
  4. Step 4: Simplify right side
    726,869.16x = 269,386,189,696.03
  5. Step 5: Solve for x
    x = 269,386,189,696.03/726,869.16
  6. Step 6: Final answer
    x = 370,611.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.