Home / 1,447,621.74-2,171,448.26-436,752.48

Finding the Fourth Proportional to 1,447,621.74, 2,171,448.26 and 436,752.48

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Solution

The fourth proportional to 1,447,621.74, 2,171,448.26 and 436,752.48 is: 655,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,621.74 : 2,171,448.26 = 436,752.48 : x
  2. Step 2: Convert to fraction form
    1,447,621.74/2,171,448.26 = 436,752.48/x
  3. Step 3: Cross multiply
    1,447,621.74x = 2,171,448.26 × 436,752.48
  4. Step 4: Simplify right side
    1,447,621.74x = 948,385,412,746.69
  5. Step 5: Solve for x
    x = 948,385,412,746.69/1,447,621.74
  6. Step 6: Final answer
    x = 655,133.44

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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.