Home / 925,287.82-1,276,798.89-511,758.89

Finding the Fourth Proportional to 925,287.82, 1,276,798.89 and 511,758.89

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Solution

The fourth proportional to 925,287.82, 1,276,798.89 and 511,758.89 is: 706,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,287.82 : 1,276,798.89 = 511,758.89 : x
  2. Step 2: Convert to fraction form
    925,287.82/1,276,798.89 = 511,758.89/x
  3. Step 3: Cross multiply
    925,287.82x = 1,276,798.89 × 511,758.89
  4. Step 4: Simplify right side
    925,287.82x = 653,413,177,810.69
  5. Step 5: Solve for x
    x = 653,413,177,810.69/925,287.82
  6. Step 6: Final answer
    x = 706,172.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.