Home / 1,214,399.20-1,818,682.80-652,194.40

Finding the Fourth Proportional to 1,214,399.20, 1,818,682.80 and 652,194.40

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Solution

The fourth proportional to 1,214,399.20, 1,818,682.80 and 652,194.40 is: 976,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,399.20 : 1,818,682.80 = 652,194.40 : x
  2. Step 2: Convert to fraction form
    1,214,399.20/1,818,682.80 = 652,194.40/x
  3. Step 3: Cross multiply
    1,214,399.20x = 1,818,682.80 × 652,194.40
  4. Step 4: Simplify right side
    1,214,399.20x = 1,186,134,737,536.32
  5. Step 5: Solve for x
    x = 1,186,134,737,536.32/1,214,399.20
  6. Step 6: Final answer
    x = 976,725.56

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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.