Home / 823,969.60-1,235,954.40-637,115.20

Finding the Fourth Proportional to 823,969.60, 1,235,954.40 and 637,115.20

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Solution

The fourth proportional to 823,969.60, 1,235,954.40 and 637,115.20 is: 955,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,969.60 : 1,235,954.40 = 637,115.20 : x
  2. Step 2: Convert to fraction form
    823,969.60/1,235,954.40 = 637,115.20/x
  3. Step 3: Cross multiply
    823,969.60x = 1,235,954.40 × 637,115.20
  4. Step 4: Simplify right side
    823,969.60x = 787,445,334,746.88
  5. Step 5: Solve for x
    x = 787,445,334,746.88/823,969.60
  6. Step 6: Final answer
    x = 955,672.80

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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.