Home / 705,867.38-1,058,798.55-306,456.02

Finding the Fourth Proportional to 705,867.38, 1,058,798.55 and 306,456.02

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Solution

The fourth proportional to 705,867.38, 1,058,798.55 and 306,456.02 is: 459,682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,867.38 : 1,058,798.55 = 306,456.02 : x
  2. Step 2: Convert to fraction form
    705,867.38/1,058,798.55 = 306,456.02/x
  3. Step 3: Cross multiply
    705,867.38x = 1,058,798.55 × 306,456.02
  4. Step 4: Simplify right side
    705,867.38x = 324,475,189,614.77
  5. Step 5: Solve for x
    x = 324,475,189,614.77/705,867.38
  6. Step 6: Final answer
    x = 459,682.94

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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.