Home / 1,213,886.40-1,822,903.20-654,014.40

Finding the Fourth Proportional to 1,213,886.40, 1,822,903.20 and 654,014.40

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Solution

The fourth proportional to 1,213,886.40, 1,822,903.20 and 654,014.40 is: 982,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,886.40 : 1,822,903.20 = 654,014.40 : x
  2. Step 2: Convert to fraction form
    1,213,886.40/1,822,903.20 = 654,014.40/x
  3. Step 3: Cross multiply
    1,213,886.40x = 1,822,903.20 × 654,014.40
  4. Step 4: Simplify right side
    1,213,886.40x = 1,192,204,942,606.08
  5. Step 5: Solve for x
    x = 1,192,204,942,606.08/1,213,886.40
  6. Step 6: Final answer
    x = 982,138.81

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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.