Home / 1,184,942.40-1,777,694.40-386,228.40

Finding the Fourth Proportional to 1,184,942.40, 1,777,694.40 and 386,228.40

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Solution

The fourth proportional to 1,184,942.40, 1,777,694.40 and 386,228.40 is: 579,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,942.40 : 1,777,694.40 = 386,228.40 : x
  2. Step 2: Convert to fraction form
    1,184,942.40/1,777,694.40 = 386,228.40/x
  3. Step 3: Cross multiply
    1,184,942.40x = 1,777,694.40 × 386,228.40
  4. Step 4: Simplify right side
    1,184,942.40x = 686,596,063,800.96
  5. Step 5: Solve for x
    x = 686,596,063,800.96/1,184,942.40
  6. Step 6: Final answer
    x = 579,434.13

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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.