Home / 405,919.47-560,155.06-224,639.04

Finding the Fourth Proportional to 405,919.47, 560,155.06 and 224,639.04

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Solution

The fourth proportional to 405,919.47, 560,155.06 and 224,639.04 is: 309,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,919.47 : 560,155.06 = 224,639.04 : x
  2. Step 2: Convert to fraction form
    405,919.47/560,155.06 = 224,639.04/x
  3. Step 3: Cross multiply
    405,919.47x = 560,155.06 × 224,639.04
  4. Step 4: Simplify right side
    405,919.47x = 125,832,694,929.54
  5. Step 5: Solve for x
    x = 125,832,694,929.54/405,919.47
  6. Step 6: Final answer
    x = 309,994.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.