Home / 501,176.57-691,655.15-274,822.07

Finding the Fourth Proportional to 501,176.57, 691,655.15 and 274,822.07

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Solution

The fourth proportional to 501,176.57, 691,655.15 and 274,822.07 is: 379,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,176.57 : 691,655.15 = 274,822.07 : x
  2. Step 2: Convert to fraction form
    501,176.57/691,655.15 = 274,822.07/x
  3. Step 3: Cross multiply
    501,176.57x = 691,655.15 × 274,822.07
  4. Step 4: Simplify right side
    501,176.57x = 190,082,097,277.94
  5. Step 5: Solve for x
    x = 190,082,097,277.94/501,176.57
  6. Step 6: Final answer
    x = 379,271.72

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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.