Home / 632,534.38-872,811.36-377,831.50

Finding the Fourth Proportional to 632,534.38, 872,811.36 and 377,831.50

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Solution

The fourth proportional to 632,534.38, 872,811.36 and 377,831.50 is: 521,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,534.38 : 872,811.36 = 377,831.50 : x
  2. Step 2: Convert to fraction form
    632,534.38/872,811.36 = 377,831.50/x
  3. Step 3: Cross multiply
    632,534.38x = 872,811.36 × 377,831.50
  4. Step 4: Simplify right side
    632,534.38x = 329,775,625,365.84
  5. Step 5: Solve for x
    x = 329,775,625,365.84/632,534.38
  6. Step 6: Final answer
    x = 521,356.05

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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.