Home / 614,351.30-921,941.93-214,995.53

Finding the Fourth Proportional to 614,351.30, 921,941.93 and 214,995.53

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Solution

The fourth proportional to 614,351.30, 921,941.93 and 214,995.53 is: 322,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,351.30 : 921,941.93 = 214,995.53 : x
  2. Step 2: Convert to fraction form
    614,351.30/921,941.93 = 214,995.53/x
  3. Step 3: Cross multiply
    614,351.30x = 921,941.93 × 214,995.53
  4. Step 4: Simplify right side
    614,351.30x = 198,213,388,184.89
  5. Step 5: Solve for x
    x = 198,213,388,184.89/614,351.30
  6. Step 6: Final answer
    x = 322,638.51

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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.