Home / 340,938.24-510,785.28-190,394.88

Finding the Fourth Proportional to 340,938.24, 510,785.28 and 190,394.88

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Solution

The fourth proportional to 340,938.24, 510,785.28 and 190,394.88 is: 285,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,938.24 : 510,785.28 = 190,394.88 : x
  2. Step 2: Convert to fraction form
    340,938.24/510,785.28 = 190,394.88/x
  3. Step 3: Cross multiply
    340,938.24x = 510,785.28 × 190,394.88
  4. Step 4: Simplify right side
    340,938.24x = 97,250,902,091.37
  5. Step 5: Solve for x
    x = 97,250,902,091.37/340,938.24
  6. Step 6: Final answer
    x = 285,244.92

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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.