Home / 818,514.24-1,227,654.72-257,534.16

Finding the Fourth Proportional to 818,514.24, 1,227,654.72 and 257,534.16

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Solution

The fourth proportional to 818,514.24, 1,227,654.72 and 257,534.16 is: 386,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,514.24 : 1,227,654.72 = 257,534.16 : x
  2. Step 2: Convert to fraction form
    818,514.24/1,227,654.72 = 257,534.16/x
  3. Step 3: Cross multiply
    818,514.24x = 1,227,654.72 × 257,534.16
  4. Step 4: Simplify right side
    818,514.24x = 316,163,027,085.24
  5. Step 5: Solve for x
    x = 316,163,027,085.24/818,514.24
  6. Step 6: Final answer
    x = 386,264.54

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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.