Home / 417,829.69-576,618.20-236,538.33

Finding the Fourth Proportional to 417,829.69, 576,618.20 and 236,538.33

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Solution

The fourth proportional to 417,829.69, 576,618.20 and 236,538.33 is: 326,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,829.69 : 576,618.20 = 236,538.33 : x
  2. Step 2: Convert to fraction form
    417,829.69/576,618.20 = 236,538.33/x
  3. Step 3: Cross multiply
    417,829.69x = 576,618.20 × 236,538.33
  4. Step 4: Simplify right side
    417,829.69x = 136,392,306,075.61
  5. Step 5: Solve for x
    x = 136,392,306,075.61/417,829.69
  6. Step 6: Final answer
    x = 326,430.38

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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.