Home / 1,300,292.92-1,949,954.32-447,123.24

Finding the Fourth Proportional to 1,300,292.92, 1,949,954.32 and 447,123.24

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Solution

The fourth proportional to 1,300,292.92, 1,949,954.32 and 447,123.24 is: 670,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,292.92 : 1,949,954.32 = 447,123.24 : x
  2. Step 2: Convert to fraction form
    1,300,292.92/1,949,954.32 = 447,123.24/x
  3. Step 3: Cross multiply
    1,300,292.92x = 1,949,954.32 × 447,123.24
  4. Step 4: Simplify right side
    1,300,292.92x = 871,869,893,410.40
  5. Step 5: Solve for x
    x = 871,869,893,410.40/1,300,292.92
  6. Step 6: Final answer
    x = 670,518.07

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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.