Home / 653,165.91-979,810.83-253,837.53

Finding the Fourth Proportional to 653,165.91, 979,810.83 and 253,837.53

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Solution

The fourth proportional to 653,165.91, 979,810.83 and 253,837.53 is: 380,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,165.91 : 979,810.83 = 253,837.53 : x
  2. Step 2: Convert to fraction form
    653,165.91/979,810.83 = 253,837.53/x
  3. Step 3: Cross multiply
    653,165.91x = 979,810.83 × 253,837.53
  4. Step 4: Simplify right side
    653,165.91x = 248,712,760,954.45
  5. Step 5: Solve for x
    x = 248,712,760,954.45/653,165.91
  6. Step 6: Final answer
    x = 380,780.38

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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.