Home / 413,921.77-571,645.76-285,194.95

Finding the Fourth Proportional to 413,921.77, 571,645.76 and 285,194.95

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Solution

The fourth proportional to 413,921.77, 571,645.76 and 285,194.95 is: 393,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,921.77 : 571,645.76 = 285,194.95 : x
  2. Step 2: Convert to fraction form
    413,921.77/571,645.76 = 285,194.95/x
  3. Step 3: Cross multiply
    413,921.77x = 571,645.76 × 285,194.95
  4. Step 4: Simplify right side
    413,921.77x = 163,030,481,085.82
  5. Step 5: Solve for x
    x = 163,030,481,085.82/413,921.77
  6. Step 6: Final answer
    x = 393,867.86

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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.