Home / 641,357.10-885,058.92-350,967.36

Finding the Fourth Proportional to 641,357.10, 885,058.92 and 350,967.36

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Solution

The fourth proportional to 641,357.10, 885,058.92 and 350,967.36 is: 484,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,357.10 : 885,058.92 = 350,967.36 : x
  2. Step 2: Convert to fraction form
    641,357.10/885,058.92 = 350,967.36/x
  3. Step 3: Cross multiply
    641,357.10x = 885,058.92 × 350,967.36
  4. Step 4: Simplify right side
    641,357.10x = 310,626,792,596.85
  5. Step 5: Solve for x
    x = 310,626,792,596.85/641,357.10
  6. Step 6: Final answer
    x = 484,327.36

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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.