Home / 340,566.40-510,892.01-115,909.57

Finding the Fourth Proportional to 340,566.40, 510,892.01 and 115,909.57

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Solution

The fourth proportional to 340,566.40, 510,892.01 and 115,909.57 is: 173,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,566.40 : 510,892.01 = 115,909.57 : x
  2. Step 2: Convert to fraction form
    340,566.40/510,892.01 = 115,909.57/x
  3. Step 3: Cross multiply
    340,566.40x = 510,892.01 × 115,909.57
  4. Step 4: Simplify right side
    340,566.40x = 59,217,273,195.54
  5. Step 5: Solve for x
    x = 59,217,273,195.54/340,566.40
  6. Step 6: Final answer
    x = 173,878.79

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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.