Home / 1,192,006.60-1,787,318.70-444,128.20

Finding the Fourth Proportional to 1,192,006.60, 1,787,318.70 and 444,128.20

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Solution

The fourth proportional to 1,192,006.60, 1,787,318.70 and 444,128.20 is: 665,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,006.60 : 1,787,318.70 = 444,128.20 : x
  2. Step 2: Convert to fraction form
    1,192,006.60/1,787,318.70 = 444,128.20/x
  3. Step 3: Cross multiply
    1,192,006.60x = 1,787,318.70 × 444,128.20
  4. Step 4: Simplify right side
    1,192,006.60x = 793,798,637,057.34
  5. Step 5: Solve for x
    x = 793,798,637,057.34/1,192,006.60
  6. Step 6: Final answer
    x = 665,934.77

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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.