Home / 941,287.86-1,298,987.28-511,568.01

Finding the Fourth Proportional to 941,287.86, 1,298,987.28 and 511,568.01

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Solution

The fourth proportional to 941,287.86, 1,298,987.28 and 511,568.01 is: 705,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,287.86 : 1,298,987.28 = 511,568.01 : x
  2. Step 2: Convert to fraction form
    941,287.86/1,298,987.28 = 511,568.01/x
  3. Step 3: Cross multiply
    941,287.86x = 1,298,987.28 × 511,568.01
  4. Step 4: Simplify right side
    941,287.86x = 664,520,337,844.91
  5. Step 5: Solve for x
    x = 664,520,337,844.91/941,287.86
  6. Step 6: Final answer
    x = 705,969.31

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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.