Home / 715,828.50-1,073,749.23-217,192.50

Finding the Fourth Proportional to 715,828.50, 1,073,749.23 and 217,192.50

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Solution

The fourth proportional to 715,828.50, 1,073,749.23 and 217,192.50 is: 325,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,828.50 : 1,073,749.23 = 217,192.50 : x
  2. Step 2: Convert to fraction form
    715,828.50/1,073,749.23 = 217,192.50/x
  3. Step 3: Cross multiply
    715,828.50x = 1,073,749.23 × 217,192.50
  4. Step 4: Simplify right side
    715,828.50x = 233,210,279,636.78
  5. Step 5: Solve for x
    x = 233,210,279,636.78/715,828.50
  6. Step 6: Final answer
    x = 325,790.72

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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.