Home / 705,833.96-1,058,155.74-306,173.80

Finding the Fourth Proportional to 705,833.96, 1,058,155.74 and 306,173.80

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Solution

The fourth proportional to 705,833.96, 1,058,155.74 and 306,173.80 is: 459,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,833.96 : 1,058,155.74 = 306,173.80 : x
  2. Step 2: Convert to fraction form
    705,833.96/1,058,155.74 = 306,173.80/x
  3. Step 3: Cross multiply
    705,833.96x = 1,058,155.74 × 306,173.80
  4. Step 4: Simplify right side
    705,833.96x = 323,979,563,907.61
  5. Step 5: Solve for x
    x = 323,979,563,907.61/705,833.96
  6. Step 6: Final answer
    x = 459,002.52

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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.