Home / 776,722.96-1,164,542.95-344,204.90

Finding the Fourth Proportional to 776,722.96, 1,164,542.95 and 344,204.90

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Solution

The fourth proportional to 776,722.96, 1,164,542.95 and 344,204.90 is: 516,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,722.96 : 1,164,542.95 = 344,204.90 : x
  2. Step 2: Convert to fraction form
    776,722.96/1,164,542.95 = 344,204.90/x
  3. Step 3: Cross multiply
    776,722.96x = 1,164,542.95 × 344,204.90
  4. Step 4: Simplify right side
    776,722.96x = 400,841,389,650.46
  5. Step 5: Solve for x
    x = 400,841,389,650.46/776,722.96
  6. Step 6: Final answer
    x = 516,067.39

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1.5x scale

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.