Home / 757,944.61-1,045,979.39-413,795.05

Finding the Fourth Proportional to 757,944.61, 1,045,979.39 and 413,795.05

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Solution

The fourth proportional to 757,944.61, 1,045,979.39 and 413,795.05 is: 571,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,944.61 : 1,045,979.39 = 413,795.05 : x
  2. Step 2: Convert to fraction form
    757,944.61/1,045,979.39 = 413,795.05/x
  3. Step 3: Cross multiply
    757,944.61x = 1,045,979.39 × 413,795.05
  4. Step 4: Simplify right side
    757,944.61x = 432,821,092,403.56
  5. Step 5: Solve for x
    x = 432,821,092,403.56/757,944.61
  6. Step 6: Final answer
    x = 571,045.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.