Home / 632,571.66-872,923.23-378,063.18

Finding the Fourth Proportional to 632,571.66, 872,923.23 and 378,063.18

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Solution

The fourth proportional to 632,571.66, 872,923.23 and 378,063.18 is: 521,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,571.66 : 872,923.23 = 378,063.18 : x
  2. Step 2: Convert to fraction form
    632,571.66/872,923.23 = 378,063.18/x
  3. Step 3: Cross multiply
    632,571.66x = 872,923.23 × 378,063.18
  4. Step 4: Simplify right side
    632,571.66x = 330,020,132,229.67
  5. Step 5: Solve for x
    x = 330,020,132,229.67/632,571.66
  6. Step 6: Final answer
    x = 521,711.85

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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.