Home / 986,162.08-1,360,538.40-728,659.84

Finding the Fourth Proportional to 986,162.08, 1,360,538.40 and 728,659.84

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Solution

The fourth proportional to 986,162.08, 1,360,538.40 and 728,659.84 is: 1,005,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,162.08 : 1,360,538.40 = 728,659.84 : x
  2. Step 2: Convert to fraction form
    986,162.08/1,360,538.40 = 728,659.84/x
  3. Step 3: Cross multiply
    986,162.08x = 1,360,538.40 × 728,659.84
  4. Step 4: Simplify right side
    986,162.08x = 991,369,692,857.86
  5. Step 5: Solve for x
    x = 991,369,692,857.86/986,162.08
  6. Step 6: Final answer
    x = 1,005,280.69

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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.