Home / 925,325.12-1,276,881.62-511,844.42

Finding the Fourth Proportional to 925,325.12, 1,276,881.62 and 511,844.42

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Solution

The fourth proportional to 925,325.12, 1,276,881.62 and 511,844.42 is: 706,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,325.12 : 1,276,881.62 = 511,844.42 : x
  2. Step 2: Convert to fraction form
    925,325.12/1,276,881.62 = 511,844.42/x
  3. Step 3: Cross multiply
    925,325.12x = 1,276,881.62 × 511,844.42
  4. Step 4: Simplify right side
    925,325.12x = 653,564,732,197.56
  5. Step 5: Solve for x
    x = 653,564,732,197.56/925,325.12
  6. Step 6: Final answer
    x = 706,308.21

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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.