Home / 529,623.40-793,398.30-318,634.60

Finding the Fourth Proportional to 529,623.40, 793,398.30 and 318,634.60

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Solution

The fourth proportional to 529,623.40, 793,398.30 and 318,634.60 is: 477,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,623.40 : 793,398.30 = 318,634.60 : x
  2. Step 2: Convert to fraction form
    529,623.40/793,398.30 = 318,634.60/x
  3. Step 3: Cross multiply
    529,623.40x = 793,398.30 × 318,634.60
  4. Step 4: Simplify right side
    529,623.40x = 252,804,149,961.18
  5. Step 5: Solve for x
    x = 252,804,149,961.18/529,623.40
  6. Step 6: Final answer
    x = 477,328.14

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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.