Home / 941,102.52-1,298,729.70-511,382.68

Finding the Fourth Proportional to 941,102.52, 1,298,729.70 and 511,382.68

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Solution

The fourth proportional to 941,102.52, 1,298,729.70 and 511,382.68 is: 705,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,102.52 : 1,298,729.70 = 511,382.68 : x
  2. Step 2: Convert to fraction form
    941,102.52/1,298,729.70 = 511,382.68/x
  3. Step 3: Cross multiply
    941,102.52x = 1,298,729.70 × 511,382.68
  4. Step 4: Simplify right side
    941,102.52x = 664,147,874,581.60
  5. Step 5: Solve for x
    x = 664,147,874,581.60/941,102.52
  6. Step 6: Final answer
    x = 705,712.57

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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.