Home / 941,288.86-1,298,988.66-511,569.01

Finding the Fourth Proportional to 941,288.86, 1,298,988.66 and 511,569.01

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Solution

The fourth proportional to 941,288.86, 1,298,988.66 and 511,569.01 is: 705,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,288.86 : 1,298,988.66 = 511,569.01 : x
  2. Step 2: Convert to fraction form
    941,288.86/1,298,988.66 = 511,569.01/x
  3. Step 3: Cross multiply
    941,288.86x = 1,298,988.66 × 511,569.01
  4. Step 4: Simplify right side
    941,288.86x = 664,522,342,797.43
  5. Step 5: Solve for x
    x = 664,522,342,797.43/941,288.86
  6. Step 6: Final answer
    x = 705,970.69

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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.