Home / 622,966.14-859,564.71-396,529.02

Finding the Fourth Proportional to 622,966.14, 859,564.71 and 396,529.02

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Solution

The fourth proportional to 622,966.14, 859,564.71 and 396,529.02 is: 547,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,966.14 : 859,564.71 = 396,529.02 : x
  2. Step 2: Convert to fraction form
    622,966.14/859,564.71 = 396,529.02/x
  3. Step 3: Cross multiply
    622,966.14x = 859,564.71 × 396,529.02
  4. Step 4: Simplify right side
    622,966.14x = 340,842,352,082.88
  5. Step 5: Solve for x
    x = 340,842,352,082.88/622,966.14
  6. Step 6: Final answer
    x = 547,128.21

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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.