Home / 1,160,217.29-1,601,196.30-644,019.68

Finding the Fourth Proportional to 1,160,217.29, 1,601,196.30 and 644,019.68

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Solution

The fourth proportional to 1,160,217.29, 1,601,196.30 and 644,019.68 is: 888,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,217.29 : 1,601,196.30 = 644,019.68 : x
  2. Step 2: Convert to fraction form
    1,160,217.29/1,601,196.30 = 644,019.68/x
  3. Step 3: Cross multiply
    1,160,217.29x = 1,601,196.30 × 644,019.68
  4. Step 4: Simplify right side
    1,160,217.29x = 1,031,201,920,737.20
  5. Step 5: Solve for x
    x = 1,031,201,920,737.20/1,160,217.29
  6. Step 6: Final answer
    x = 888,800.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.