Home / 1,456,103.20-2,183,636.40-657,767.20

Finding the Fourth Proportional to 1,456,103.20, 2,183,636.40 and 657,767.20

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Solution

The fourth proportional to 1,456,103.20, 2,183,636.40 and 657,767.20 is: 986,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,103.20 : 2,183,636.40 = 657,767.20 : x
  2. Step 2: Convert to fraction form
    1,456,103.20/2,183,636.40 = 657,767.20/x
  3. Step 3: Cross multiply
    1,456,103.20x = 2,183,636.40 × 657,767.20
  4. Step 4: Simplify right side
    1,456,103.20x = 1,436,324,400,646.08
  5. Step 5: Solve for x
    x = 1,436,324,400,646.08/1,456,103.20
  6. Step 6: Final answer
    x = 986,416.62

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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.