Home / 410,619.09-615,930.06-126,307.71

Finding the Fourth Proportional to 410,619.09, 615,930.06 and 126,307.71

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Solution

The fourth proportional to 410,619.09, 615,930.06 and 126,307.71 is: 189,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,619.09 : 615,930.06 = 126,307.71 : x
  2. Step 2: Convert to fraction form
    410,619.09/615,930.06 = 126,307.71/x
  3. Step 3: Cross multiply
    410,619.09x = 615,930.06 × 126,307.71
  4. Step 4: Simplify right side
    410,619.09x = 77,796,715,398.76
  5. Step 5: Solve for x
    x = 77,796,715,398.76/410,619.09
  6. Step 6: Final answer
    x = 189,462.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.