Home / 614,844.20-921,683.10-551,858.60

Finding the Fourth Proportional to 614,844.20, 921,683.10 and 551,858.60

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Solution

The fourth proportional to 614,844.20, 921,683.10 and 551,858.60 is: 827,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,844.20 : 921,683.10 = 551,858.60 : x
  2. Step 2: Convert to fraction form
    614,844.20/921,683.10 = 551,858.60/x
  3. Step 3: Cross multiply
    614,844.20x = 921,683.10 × 551,858.60
  4. Step 4: Simplify right side
    614,844.20x = 508,638,745,209.66
  5. Step 5: Solve for x
    x = 508,638,745,209.66/614,844.20
  6. Step 6: Final answer
    x = 827,264.44

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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.