Home / 400,628.12-601,001.39-116,281.82

Finding the Fourth Proportional to 400,628.12, 601,001.39 and 116,281.82

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Solution

The fourth proportional to 400,628.12, 601,001.39 and 116,281.82 is: 174,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,628.12 : 601,001.39 = 116,281.82 : x
  2. Step 2: Convert to fraction form
    400,628.12/601,001.39 = 116,281.82/x
  3. Step 3: Cross multiply
    400,628.12x = 601,001.39 × 116,281.82
  4. Step 4: Simplify right side
    400,628.12x = 69,885,535,451.73
  5. Step 5: Solve for x
    x = 69,885,535,451.73/400,628.12
  6. Step 6: Final answer
    x = 174,439.92

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1.5x scale

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.