Home / 1,016,976.52-1,403,459.22-564,309.64

Finding the Fourth Proportional to 1,016,976.52, 1,403,459.22 and 564,309.64

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Solution

The fourth proportional to 1,016,976.52, 1,403,459.22 and 564,309.64 is: 778,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,976.52 : 1,403,459.22 = 564,309.64 : x
  2. Step 2: Convert to fraction form
    1,016,976.52/1,403,459.22 = 564,309.64/x
  3. Step 3: Cross multiply
    1,016,976.52x = 1,403,459.22 × 564,309.64
  4. Step 4: Simplify right side
    1,016,976.52x = 791,985,567,192.88
  5. Step 5: Solve for x
    x = 791,985,567,192.88/1,016,976.52
  6. Step 6: Final answer
    x = 778,764.85

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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.