Home / 543,826.80-815,421.06-164,633.40

Finding the Fourth Proportional to 543,826.80, 815,421.06 and 164,633.40

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Solution

The fourth proportional to 543,826.80, 815,421.06 and 164,633.40 is: 246,853.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,826.80 : 815,421.06 = 164,633.40 : x
  2. Step 2: Convert to fraction form
    543,826.80/815,421.06 = 164,633.40/x
  3. Step 3: Cross multiply
    543,826.80x = 815,421.06 × 164,633.40
  4. Step 4: Simplify right side
    543,826.80x = 134,245,541,539.40
  5. Step 5: Solve for x
    x = 134,245,541,539.40/543,826.80
  6. Step 6: Final answer
    x = 246,853.49

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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.