Home / 705,697.02-1,058,543.90-306,286.02

Finding the Fourth Proportional to 705,697.02, 1,058,543.90 and 306,286.02

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Solution

The fourth proportional to 705,697.02, 1,058,543.90 and 306,286.02 is: 459,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,697.02 : 1,058,543.90 = 306,286.02 : x
  2. Step 2: Convert to fraction form
    705,697.02/1,058,543.90 = 306,286.02/x
  3. Step 3: Cross multiply
    705,697.02x = 1,058,543.90 × 306,286.02
  4. Step 4: Simplify right side
    705,697.02x = 324,217,198,126.28
  5. Step 5: Solve for x
    x = 324,217,198,126.28/705,697.02
  6. Step 6: Final answer
    x = 459,428.32

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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.