Home / 691,945.88-1,036,529.32-344,683.43

Finding the Fourth Proportional to 691,945.88, 1,036,529.32 and 344,683.43

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Solution

The fourth proportional to 691,945.88, 1,036,529.32 and 344,683.43 is: 516,332.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,945.88 : 1,036,529.32 = 344,683.43 : x
  2. Step 2: Convert to fraction form
    691,945.88/1,036,529.32 = 344,683.43/x
  3. Step 3: Cross multiply
    691,945.88x = 1,036,529.32 × 344,683.43
  4. Step 4: Simplify right side
    691,945.88x = 357,274,485,629.46
  5. Step 5: Solve for x
    x = 357,274,485,629.46/691,945.88
  6. Step 6: Final answer
    x = 516,332.99

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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.