Home / 933,543-1,288,212.75-525,514.41

Finding the Fourth Proportional to 933,543, 1,288,212.75 and 525,514.41

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Solution

The fourth proportional to 933,543, 1,288,212.75 and 525,514.41 is: 725,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,543 : 1,288,212.75 = 525,514.41 : x
  2. Step 2: Convert to fraction form
    933,543/1,288,212.75 = 525,514.41/x
  3. Step 3: Cross multiply
    933,543x = 1,288,212.75 × 525,514.41
  4. Step 4: Simplify right side
    933,543x = 676,974,363,270.73
  5. Step 5: Solve for x
    x = 676,974,363,270.73/933,543
  6. Step 6: Final answer
    x = 725,166.77

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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.