Home / 657,434.23-986,757.53-333,449.72

Finding the Fourth Proportional to 657,434.23, 986,757.53 and 333,449.72

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Solution

The fourth proportional to 657,434.23, 986,757.53 and 333,449.72 is: 500,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,434.23 : 986,757.53 = 333,449.72 : x
  2. Step 2: Convert to fraction form
    657,434.23/986,757.53 = 333,449.72/x
  3. Step 3: Cross multiply
    657,434.23x = 986,757.53 × 333,449.72
  4. Step 4: Simplify right side
    657,434.23x = 329,034,019,185.70
  5. Step 5: Solve for x
    x = 329,034,019,185.70/657,434.23
  6. Step 6: Final answer
    x = 500,482.03

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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.