Home / 344,331.10-516,496.65-289,218.70

Finding the Fourth Proportional to 344,331.10, 516,496.65 and 289,218.70

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Solution

The fourth proportional to 344,331.10, 516,496.65 and 289,218.70 is: 433,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,331.10 : 516,496.65 = 289,218.70 : x
  2. Step 2: Convert to fraction form
    344,331.10/516,496.65 = 289,218.70/x
  3. Step 3: Cross multiply
    344,331.10x = 516,496.65 × 289,218.70
  4. Step 4: Simplify right side
    344,331.10x = 149,380,489,667.36
  5. Step 5: Solve for x
    x = 149,380,489,667.36/344,331.10
  6. Step 6: Final answer
    x = 433,828.05

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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.