Home / 987,016.56-1,362,017.57-573,516.68

Finding the Fourth Proportional to 987,016.56, 1,362,017.57 and 573,516.68

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Solution

The fourth proportional to 987,016.56, 1,362,017.57 and 573,516.68 is: 791,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,016.56 : 1,362,017.57 = 573,516.68 : x
  2. Step 2: Convert to fraction form
    987,016.56/1,362,017.57 = 573,516.68/x
  3. Step 3: Cross multiply
    987,016.56x = 1,362,017.57 × 573,516.68
  4. Step 4: Simplify right side
    987,016.56x = 781,139,787,321.08
  5. Step 5: Solve for x
    x = 781,139,787,321.08/987,016.56
  6. Step 6: Final answer
    x = 791,415.08

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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.