Home / 1,708,833.10-2,564,233.80-644,638.90

Finding the Fourth Proportional to 1,708,833.10, 2,564,233.80 and 644,638.90

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Solution

The fourth proportional to 1,708,833.10, 2,564,233.80 and 644,638.90 is: 967,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,833.10 : 2,564,233.80 = 644,638.90 : x
  2. Step 2: Convert to fraction form
    1,708,833.10/2,564,233.80 = 644,638.90/x
  3. Step 3: Cross multiply
    1,708,833.10x = 2,564,233.80 × 644,638.90
  4. Step 4: Simplify right side
    1,708,833.10x = 1,653,004,856,174.82
  5. Step 5: Solve for x
    x = 1,653,004,856,174.82/1,708,833.10
  6. Step 6: Final answer
    x = 967,329.61

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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.