Home / 1,213,399.20-1,817,693.10-1,063,808.40

Finding the Fourth Proportional to 1,213,399.20, 1,817,693.10 and 1,063,808.40

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Solution

The fourth proportional to 1,213,399.20, 1,817,693.10 and 1,063,808.40 is: 1,593,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,399.20 : 1,817,693.10 = 1,063,808.40 : x
  2. Step 2: Convert to fraction form
    1,213,399.20/1,817,693.10 = 1,063,808.40/x
  3. Step 3: Cross multiply
    1,213,399.20x = 1,817,693.10 × 1,063,808.40
  4. Step 4: Simplify right side
    1,213,399.20x = 1,933,677,188,402.04
  5. Step 5: Solve for x
    x = 1,933,677,188,402.04/1,213,399.20
  6. Step 6: Final answer
    x = 1,593,603.48

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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.