Home / 1,214,443.20-1,818,748.80-652,238.40

Finding the Fourth Proportional to 1,214,443.20, 1,818,748.80 and 652,238.40

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Solution

The fourth proportional to 1,214,443.20, 1,818,748.80 and 652,238.40 is: 976,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,443.20 : 1,818,748.80 = 652,238.40 : x
  2. Step 2: Convert to fraction form
    1,214,443.20/1,818,748.80 = 652,238.40/x
  3. Step 3: Cross multiply
    1,214,443.20x = 1,818,748.80 × 652,238.40
  4. Step 4: Simplify right side
    1,214,443.20x = 1,186,257,807,313.92
  5. Step 5: Solve for x
    x = 1,186,257,807,313.92/1,214,443.20
  6. Step 6: Final answer
    x = 976,791.51

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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.