Home / 941,421.10-1,299,162.77-511,700.06

Finding the Fourth Proportional to 941,421.10, 1,299,162.77 and 511,700.06

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Solution

The fourth proportional to 941,421.10, 1,299,162.77 and 511,700.06 is: 706,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,421.10 : 1,299,162.77 = 511,700.06 : x
  2. Step 2: Convert to fraction form
    941,421.10/1,299,162.77 = 511,700.06/x
  3. Step 3: Cross multiply
    941,421.10x = 1,299,162.77 × 511,700.06
  4. Step 4: Simplify right side
    941,421.10x = 664,781,667,358.77
  5. Step 5: Solve for x
    x = 664,781,667,358.77/941,421.10
  6. Step 6: Final answer
    x = 706,146.98

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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.