Home / 578,541.12-867,786.30-157,815.60

Finding the Fourth Proportional to 578,541.12, 867,786.30 and 157,815.60

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Solution

The fourth proportional to 578,541.12, 867,786.30 and 157,815.60 is: 236,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,541.12 : 867,786.30 = 157,815.60 : x
  2. Step 2: Convert to fraction form
    578,541.12/867,786.30 = 157,815.60/x
  3. Step 3: Cross multiply
    578,541.12x = 867,786.30 × 157,815.60
  4. Step 4: Simplify right side
    578,541.12x = 136,950,215,606.28
  5. Step 5: Solve for x
    x = 136,950,215,606.28/578,541.12
  6. Step 6: Final answer
    x = 236,716.48

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1.5x scale

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.