Home / 957,668.78-1,321,591.48-527,964.06

Finding the Fourth Proportional to 957,668.78, 1,321,591.48 and 527,964.06

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Solution

The fourth proportional to 957,668.78, 1,321,591.48 and 527,964.06 is: 728,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,668.78 : 1,321,591.48 = 527,964.06 : x
  2. Step 2: Convert to fraction form
    957,668.78/1,321,591.48 = 527,964.06/x
  3. Step 3: Cross multiply
    957,668.78x = 1,321,591.48 × 527,964.06
  4. Step 4: Simplify right side
    957,668.78x = 697,752,803,442.21
  5. Step 5: Solve for x
    x = 697,752,803,442.21/957,668.78
  6. Step 6: Final answer
    x = 728,595.12

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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.