Home / 1,456,128.20-2,183,673.90-657,792.20

Finding the Fourth Proportional to 1,456,128.20, 2,183,673.90 and 657,792.20

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Solution

The fourth proportional to 1,456,128.20, 2,183,673.90 and 657,792.20 is: 986,454.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,128.20 : 2,183,673.90 = 657,792.20 : x
  2. Step 2: Convert to fraction form
    1,456,128.20/2,183,673.90 = 657,792.20/x
  3. Step 3: Cross multiply
    1,456,128.20x = 2,183,673.90 × 657,792.20
  4. Step 4: Simplify right side
    1,456,128.20x = 1,436,403,658,763.58
  5. Step 5: Solve for x
    x = 1,436,403,658,763.58/1,456,128.20
  6. Step 6: Final answer
    x = 986,454.12

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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.