Home / 643,923.54-965,666.61-223,101.18

Finding the Fourth Proportional to 643,923.54, 965,666.61 and 223,101.18

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Solution

The fourth proportional to 643,923.54, 965,666.61 and 223,101.18 is: 334,576.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,923.54 : 965,666.61 = 223,101.18 : x
  2. Step 2: Convert to fraction form
    643,923.54/965,666.61 = 223,101.18/x
  3. Step 3: Cross multiply
    643,923.54x = 965,666.61 × 223,101.18
  4. Step 4: Simplify right side
    643,923.54x = 215,441,360,177.60
  5. Step 5: Solve for x
    x = 215,441,360,177.60/643,923.54
  6. Step 6: Final answer
    x = 334,576.00

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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.