Home / 501,669.37-691,167.47-477,754.52

Finding the Fourth Proportional to 501,669.37, 691,167.47 and 477,754.52

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Solution

The fourth proportional to 501,669.37, 691,167.47 and 477,754.52 is: 658,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,669.37 : 691,167.47 = 477,754.52 : x
  2. Step 2: Convert to fraction form
    501,669.37/691,167.47 = 477,754.52/x
  3. Step 3: Cross multiply
    501,669.37x = 691,167.47 × 477,754.52
  4. Step 4: Simplify right side
    501,669.37x = 330,208,382,869.46
  5. Step 5: Solve for x
    x = 330,208,382,869.46/501,669.37
  6. Step 6: Final answer
    x = 658,219.14

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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.