Home / 1,228,903.60-1,843,614.60-387,540.40

Finding the Fourth Proportional to 1,228,903.60, 1,843,614.60 and 387,540.40

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Solution

The fourth proportional to 1,228,903.60, 1,843,614.60 and 387,540.40 is: 581,392.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,903.60 : 1,843,614.60 = 387,540.40 : x
  2. Step 2: Convert to fraction form
    1,228,903.60/1,843,614.60 = 387,540.40/x
  3. Step 3: Cross multiply
    1,228,903.60x = 1,843,614.60 × 387,540.40
  4. Step 4: Simplify right side
    1,228,903.60x = 714,475,139,529.84
  5. Step 5: Solve for x
    x = 714,475,139,529.84/1,228,903.60
  6. Step 6: Final answer
    x = 581,392.34

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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.