Home / 632,543.69-872,824.24-377,840.81

Finding the Fourth Proportional to 632,543.69, 872,824.24 and 377,840.81

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Solution

The fourth proportional to 632,543.69, 872,824.24 and 377,840.81 is: 521,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,543.69 : 872,824.24 = 377,840.81 : x
  2. Step 2: Convert to fraction form
    632,543.69/872,824.24 = 377,840.81/x
  3. Step 3: Cross multiply
    632,543.69x = 872,824.24 × 377,840.81
  4. Step 4: Simplify right side
    632,543.69x = 329,788,620,483.60
  5. Step 5: Solve for x
    x = 329,788,620,483.60/632,543.69
  6. Step 6: Final answer
    x = 521,368.92

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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.