Home / 317,929.67-438,634.40-197,026.84

Finding the Fourth Proportional to 317,929.67, 438,634.40 and 197,026.84

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Solution

The fourth proportional to 317,929.67, 438,634.40 and 197,026.84 is: 271,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,929.67 : 438,634.40 = 197,026.84 : x
  2. Step 2: Convert to fraction form
    317,929.67/438,634.40 = 197,026.84/x
  3. Step 3: Cross multiply
    317,929.67x = 438,634.40 × 197,026.84
  4. Step 4: Simplify right side
    317,929.67x = 86,422,747,665.58
  5. Step 5: Solve for x
    x = 86,422,747,665.58/317,929.67
  6. Step 6: Final answer
    x = 271,829.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.