Home / 402,593.73-555,580.49-230,514.36

Finding the Fourth Proportional to 402,593.73, 555,580.49 and 230,514.36

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Solution

The fourth proportional to 402,593.73, 555,580.49 and 230,514.36 is: 318,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,593.73 : 555,580.49 = 230,514.36 : x
  2. Step 2: Convert to fraction form
    402,593.73/555,580.49 = 230,514.36/x
  3. Step 3: Cross multiply
    402,593.73x = 555,580.49 × 230,514.36
  4. Step 4: Simplify right side
    402,593.73x = 128,069,279,928.27
  5. Step 5: Solve for x
    x = 128,069,279,928.27/402,593.73
  6. Step 6: Final answer
    x = 318,110.47

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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.