Home / 705,130.12-1,058,115.36-255,886.02

Finding the Fourth Proportional to 705,130.12, 1,058,115.36 and 255,886.02

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Solution

The fourth proportional to 705,130.12, 1,058,115.36 and 255,886.02 is: 383,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,130.12 : 1,058,115.36 = 255,886.02 : x
  2. Step 2: Convert to fraction form
    705,130.12/1,058,115.36 = 255,886.02/x
  3. Step 3: Cross multiply
    705,130.12x = 1,058,115.36 × 255,886.02
  4. Step 4: Simplify right side
    705,130.12x = 270,756,928,171.27
  5. Step 5: Solve for x
    x = 270,756,928,171.27/705,130.12
  6. Step 6: Final answer
    x = 383,981.51

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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.