Home / 705,370.32-1,058,064.12-206,744.40

Finding the Fourth Proportional to 705,370.32, 1,058,064.12 and 206,744.40

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Solution

The fourth proportional to 705,370.32, 1,058,064.12 and 206,744.40 is: 310,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,370.32 : 1,058,064.12 = 206,744.40 : x
  2. Step 2: Convert to fraction form
    705,370.32/1,058,064.12 = 206,744.40/x
  3. Step 3: Cross multiply
    705,370.32x = 1,058,064.12 × 206,744.40
  4. Step 4: Simplify right side
    705,370.32x = 218,748,831,650.93
  5. Step 5: Solve for x
    x = 218,748,831,650.93/705,370.32
  6. Step 6: Final answer
    x = 310,119.13

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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.