Home / 614,586.50-921,974.73-209,683.91

Finding the Fourth Proportional to 614,586.50, 921,974.73 and 209,683.91

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Solution

The fourth proportional to 614,586.50, 921,974.73 and 209,683.91 is: 314,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,586.50 : 921,974.73 = 209,683.91 : x
  2. Step 2: Convert to fraction form
    614,586.50/921,974.73 = 209,683.91/x
  3. Step 3: Cross multiply
    614,586.50x = 921,974.73 × 209,683.91
  4. Step 4: Simplify right side
    614,586.50x = 193,323,261,697.72
  5. Step 5: Solve for x
    x = 193,323,261,697.72/614,586.50
  6. Step 6: Final answer
    x = 314,558.26

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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.