Home / 966,521.70-1,333,721.70-558,649.85

Finding the Fourth Proportional to 966,521.70, 1,333,721.70 and 558,649.85

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Solution

The fourth proportional to 966,521.70, 1,333,721.70 and 558,649.85 is: 770,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,521.70 : 1,333,721.70 = 558,649.85 : x
  2. Step 2: Convert to fraction form
    966,521.70/1,333,721.70 = 558,649.85/x
  3. Step 3: Cross multiply
    966,521.70x = 1,333,721.70 × 558,649.85
  4. Step 4: Simplify right side
    966,521.70x = 745,083,420,978.14
  5. Step 5: Solve for x
    x = 745,083,420,978.14/966,521.70
  6. Step 6: Final answer
    x = 770,891.56

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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.