Home / 1,553,396.40-2,330,447.59-474,005.51

Finding the Fourth Proportional to 1,553,396.40, 2,330,447.59 and 474,005.51

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Solution

The fourth proportional to 1,553,396.40, 2,330,447.59 and 474,005.51 is: 711,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,396.40 : 2,330,447.59 = 474,005.51 : x
  2. Step 2: Convert to fraction form
    1,553,396.40/2,330,447.59 = 474,005.51/x
  3. Step 3: Cross multiply
    1,553,396.40x = 2,330,447.59 × 474,005.51
  4. Step 4: Simplify right side
    1,553,396.40x = 1,104,645,002,660.05
  5. Step 5: Solve for x
    x = 1,104,645,002,660.05/1,553,396.40
  6. Step 6: Final answer
    x = 711,115.98

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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.