Home / 413,821.12-571,073.76-234,973.12

Finding the Fourth Proportional to 413,821.12, 571,073.76 and 234,973.12

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Solution

The fourth proportional to 413,821.12, 571,073.76 and 234,973.12 is: 324,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,821.12 : 571,073.76 = 234,973.12 : x
  2. Step 2: Convert to fraction form
    413,821.12/571,073.76 = 234,973.12/x
  3. Step 3: Cross multiply
    413,821.12x = 571,073.76 × 234,973.12
  4. Step 4: Simplify right side
    413,821.12x = 134,186,983,137.33
  5. Step 5: Solve for x
    x = 134,186,983,137.33/413,821.12
  6. Step 6: Final answer
    x = 324,263.25

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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.