Home / 941,278.16-1,298,972.12-511,558.56

Finding the Fourth Proportional to 941,278.16, 1,298,972.12 and 511,558.56

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Solution

The fourth proportional to 941,278.16, 1,298,972.12 and 511,558.56 is: 705,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,278.16 : 1,298,972.12 = 511,558.56 : x
  2. Step 2: Convert to fraction form
    941,278.16/1,298,972.12 = 511,558.56/x
  3. Step 3: Cross multiply
    941,278.16x = 1,298,972.12 × 511,558.56
  4. Step 4: Simplify right side
    941,278.16x = 664,500,307,187.35
  5. Step 5: Solve for x
    x = 664,500,307,187.35/941,278.16
  6. Step 6: Final answer
    x = 705,955.30

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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.