Home / 614,453.28-921,835.44-171,221.28

Finding the Fourth Proportional to 614,453.28, 921,835.44 and 171,221.28

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Solution

The fourth proportional to 614,453.28, 921,835.44 and 171,221.28 is: 256,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,453.28 : 921,835.44 = 171,221.28 : x
  2. Step 2: Convert to fraction form
    614,453.28/921,835.44 = 171,221.28/x
  3. Step 3: Cross multiply
    614,453.28x = 921,835.44 × 171,221.28
  4. Step 4: Simplify right side
    614,453.28x = 157,837,843,986.16
  5. Step 5: Solve for x
    x = 157,837,843,986.16/614,453.28
  6. Step 6: Final answer
    x = 256,875.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.