Home / 543,828.80-815,424.06-164,635.40

Finding the Fourth Proportional to 543,828.80, 815,424.06 and 164,635.40

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Solution

The fourth proportional to 543,828.80, 815,424.06 and 164,635.40 is: 246,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,828.80 : 815,424.06 = 164,635.40 : x
  2. Step 2: Convert to fraction form
    543,828.80/815,424.06 = 164,635.40/x
  3. Step 3: Cross multiply
    543,828.80x = 815,424.06 × 164,635.40
  4. Step 4: Simplify right side
    543,828.80x = 134,247,666,287.72
  5. Step 5: Solve for x
    x = 134,247,666,287.72/543,828.80
  6. Step 6: Final answer
    x = 246,856.49

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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.