Home / 700,097.73-966,154.41-428,160.75

Finding the Fourth Proportional to 700,097.73, 966,154.41 and 428,160.75

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Solution

The fourth proportional to 700,097.73, 966,154.41 and 428,160.75 is: 590,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,097.73 : 966,154.41 = 428,160.75 : x
  2. Step 2: Convert to fraction form
    700,097.73/966,154.41 = 428,160.75/x
  3. Step 3: Cross multiply
    700,097.73x = 966,154.41 × 428,160.75
  4. Step 4: Simplify right side
    700,097.73x = 413,669,396,801.41
  5. Step 5: Solve for x
    x = 413,669,396,801.41/700,097.73
  6. Step 6: Final answer
    x = 590,873.79

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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.