Home / 641,747.26-885,351.67-369,669.42

Finding the Fourth Proportional to 641,747.26, 885,351.67 and 369,669.42

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Solution

The fourth proportional to 641,747.26, 885,351.67 and 369,669.42 is: 509,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,747.26 : 885,351.67 = 369,669.42 : x
  2. Step 2: Convert to fraction form
    641,747.26/885,351.67 = 369,669.42/x
  3. Step 3: Cross multiply
    641,747.26x = 885,351.67 × 369,669.42
  4. Step 4: Simplify right side
    641,747.26x = 327,287,437,420.76
  5. Step 5: Solve for x
    x = 327,287,437,420.76/641,747.26
  6. Step 6: Final answer
    x = 509,994.29

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1.5x scale

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.