Home / 403,569.60-604,922.40-137,083.20

Finding the Fourth Proportional to 403,569.60, 604,922.40 and 137,083.20

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Solution

The fourth proportional to 403,569.60, 604,922.40 and 137,083.20 is: 205,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,569.60 : 604,922.40 = 137,083.20 : x
  2. Step 2: Convert to fraction form
    403,569.60/604,922.40 = 137,083.20/x
  3. Step 3: Cross multiply
    403,569.60x = 604,922.40 × 137,083.20
  4. Step 4: Simplify right side
    403,569.60x = 82,924,698,343.68
  5. Step 5: Solve for x
    x = 82,924,698,343.68/403,569.60
  6. Step 6: Final answer
    x = 205,478.06

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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.