Home / 578,425.19-867,612.22-157,701.11

Finding the Fourth Proportional to 578,425.19, 867,612.22 and 157,701.11

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Solution

The fourth proportional to 578,425.19, 867,612.22 and 157,701.11 is: 236,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,425.19 : 867,612.22 = 157,701.11 : x
  2. Step 2: Convert to fraction form
    578,425.19/867,612.22 = 157,701.11/x
  3. Step 3: Cross multiply
    578,425.19x = 867,612.22 × 157,701.11
  4. Step 4: Simplify right side
    578,425.19x = 136,823,410,143.56
  5. Step 5: Solve for x
    x = 136,823,410,143.56/578,425.19
  6. Step 6: Final answer
    x = 236,544.69

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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.