Home / 379,429.06-523,641.95-216,092.46

Finding the Fourth Proportional to 379,429.06, 523,641.95 and 216,092.46

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Solution

The fourth proportional to 379,429.06, 523,641.95 and 216,092.46 is: 298,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,429.06 : 523,641.95 = 216,092.46 : x
  2. Step 2: Convert to fraction form
    379,429.06/523,641.95 = 216,092.46/x
  3. Step 3: Cross multiply
    379,429.06x = 523,641.95 × 216,092.46
  4. Step 4: Simplify right side
    379,429.06x = 113,155,075,882.75
  5. Step 5: Solve for x
    x = 113,155,075,882.75/379,429.06
  6. Step 6: Final answer
    x = 298,224.59

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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.