Home / 1,409,513.92-2,114,533.20-641,066.92

Finding the Fourth Proportional to 1,409,513.92, 2,114,533.20 and 641,066.92

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Solution

The fourth proportional to 1,409,513.92, 2,114,533.20 and 641,066.92 is: 961,719.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,513.92 : 2,114,533.20 = 641,066.92 : x
  2. Step 2: Convert to fraction form
    1,409,513.92/2,114,533.20 = 641,066.92/x
  3. Step 3: Cross multiply
    1,409,513.92x = 2,114,533.20 × 641,066.92
  4. Step 4: Simplify right side
    1,409,513.92x = 1,355,557,285,761.74
  5. Step 5: Solve for x
    x = 1,355,557,285,761.74/1,409,513.92
  6. Step 6: Final answer
    x = 961,719.69

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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.