Home / 673,005.17-1,009,703.22-217,586.68

Finding the Fourth Proportional to 673,005.17, 1,009,703.22 and 217,586.68

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Solution

The fourth proportional to 673,005.17, 1,009,703.22 and 217,586.68 is: 326,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,005.17 : 1,009,703.22 = 217,586.68 : x
  2. Step 2: Convert to fraction form
    673,005.17/1,009,703.22 = 217,586.68/x
  3. Step 3: Cross multiply
    673,005.17x = 1,009,703.22 × 217,586.68
  4. Step 4: Simplify right side
    673,005.17x = 219,697,965,288.66
  5. Step 5: Solve for x
    x = 219,697,965,288.66/673,005.17
  6. Step 6: Final answer
    x = 326,443.21

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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.