Home / 705,775.56-1,058,680.62-207,155.40

Finding the Fourth Proportional to 705,775.56, 1,058,680.62 and 207,155.40

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Solution

The fourth proportional to 705,775.56, 1,058,680.62 and 207,155.40 is: 310,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,775.56 : 1,058,680.62 = 207,155.40 : x
  2. Step 2: Convert to fraction form
    705,775.56/1,058,680.62 = 207,155.40/x
  3. Step 3: Cross multiply
    705,775.56x = 1,058,680.62 × 207,155.40
  4. Step 4: Simplify right side
    705,775.56x = 219,311,407,308.35
  5. Step 5: Solve for x
    x = 219,311,407,308.35/705,775.56
  6. Step 6: Final answer
    x = 310,738.17

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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.