Home / 1,191,941.48-1,785,945.96-686,926.64

Finding the Fourth Proportional to 1,191,941.48, 1,785,945.96 and 686,926.64

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Solution

The fourth proportional to 1,191,941.48, 1,785,945.96 and 686,926.64 is: 1,029,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,941.48 : 1,785,945.96 = 686,926.64 : x
  2. Step 2: Convert to fraction form
    1,191,941.48/1,785,945.96 = 686,926.64/x
  3. Step 3: Cross multiply
    1,191,941.48x = 1,785,945.96 × 686,926.64
  4. Step 4: Simplify right side
    1,191,941.48x = 1,226,813,857,524.37
  5. Step 5: Solve for x
    x = 1,226,813,857,524.37/1,191,941.48
  6. Step 6: Final answer
    x = 1,029,256.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.