Home / 1,214,397.20-1,818,679.80-652,192.40

Finding the Fourth Proportional to 1,214,397.20, 1,818,679.80 and 652,192.40

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Solution

The fourth proportional to 1,214,397.20, 1,818,679.80 and 652,192.40 is: 976,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,397.20 : 1,818,679.80 = 652,192.40 : x
  2. Step 2: Convert to fraction form
    1,214,397.20/1,818,679.80 = 652,192.40/x
  3. Step 3: Cross multiply
    1,214,397.20x = 1,818,679.80 × 652,192.40
  4. Step 4: Simplify right side
    1,214,397.20x = 1,186,129,143,593.52
  5. Step 5: Solve for x
    x = 1,186,129,143,593.52/1,214,397.20
  6. Step 6: Final answer
    x = 976,722.56

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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.