Home / 1,009,178.38-1,513,808.88-469,937.08

Finding the Fourth Proportional to 1,009,178.38, 1,513,808.88 and 469,937.08

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Solution

The fourth proportional to 1,009,178.38, 1,513,808.88 and 469,937.08 is: 704,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,178.38 : 1,513,808.88 = 469,937.08 : x
  2. Step 2: Convert to fraction form
    1,009,178.38/1,513,808.88 = 469,937.08/x
  3. Step 3: Cross multiply
    1,009,178.38x = 1,513,808.88 × 469,937.08
  4. Step 4: Simplify right side
    1,009,178.38x = 711,394,924,745.27
  5. Step 5: Solve for x
    x = 711,394,924,745.27/1,009,178.38
  6. Step 6: Final answer
    x = 704,924.86

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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.