Home / 727,025.40-1,090,586.70-247,246.20

Finding the Fourth Proportional to 727,025.40, 1,090,586.70 and 247,246.20

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Solution

The fourth proportional to 727,025.40, 1,090,586.70 and 247,246.20 is: 370,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,025.40 : 1,090,586.70 = 247,246.20 : x
  2. Step 2: Convert to fraction form
    727,025.40/1,090,586.70 = 247,246.20/x
  3. Step 3: Cross multiply
    727,025.40x = 1,090,586.70 × 247,246.20
  4. Step 4: Simplify right side
    727,025.40x = 269,643,417,345.54
  5. Step 5: Solve for x
    x = 269,643,417,345.54/727,025.40
  6. Step 6: Final answer
    x = 370,885.83

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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.