Home / 705,865.38-1,058,795.55-306,454.02

Finding the Fourth Proportional to 705,865.38, 1,058,795.55 and 306,454.02

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Solution

The fourth proportional to 705,865.38, 1,058,795.55 and 306,454.02 is: 459,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,865.38 : 1,058,795.55 = 306,454.02 : x
  2. Step 2: Convert to fraction form
    705,865.38/1,058,795.55 = 306,454.02/x
  3. Step 3: Cross multiply
    705,865.38x = 1,058,795.55 × 306,454.02
  4. Step 4: Simplify right side
    705,865.38x = 324,472,152,655.61
  5. Step 5: Solve for x
    x = 324,472,152,655.61/705,865.38
  6. Step 6: Final answer
    x = 459,679.94

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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.