Home / 869,016.96-1,199,240.64-506,655.36

Finding the Fourth Proportional to 869,016.96, 1,199,240.64 and 506,655.36

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Solution

The fourth proportional to 869,016.96, 1,199,240.64 and 506,655.36 is: 699,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,016.96 : 1,199,240.64 = 506,655.36 : x
  2. Step 2: Convert to fraction form
    869,016.96/1,199,240.64 = 506,655.36/x
  3. Step 3: Cross multiply
    869,016.96x = 1,199,240.64 × 506,655.36
  4. Step 4: Simplify right side
    869,016.96x = 607,601,698,185.83
  5. Step 5: Solve for x
    x = 607,601,698,185.83/869,016.96
  6. Step 6: Final answer
    x = 699,182.78

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1.5x scale

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.