Home / 672,223.96-1,008,434.22-245,780.56

Finding the Fourth Proportional to 672,223.96, 1,008,434.22 and 245,780.56

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Solution

The fourth proportional to 672,223.96, 1,008,434.22 and 245,780.56 is: 368,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,223.96 : 1,008,434.22 = 245,780.56 : x
  2. Step 2: Convert to fraction form
    672,223.96/1,008,434.22 = 245,780.56/x
  3. Step 3: Cross multiply
    672,223.96x = 1,008,434.22 × 245,780.56
  4. Step 4: Simplify right side
    672,223.96x = 247,853,527,314.76
  5. Step 5: Solve for x
    x = 247,853,527,314.76/672,223.96
  6. Step 6: Final answer
    x = 368,706.77

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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.