Home / 1,078,686.38-1,617,608.98-404,400.16

Finding the Fourth Proportional to 1,078,686.38, 1,617,608.98 and 404,400.16

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Solution

The fourth proportional to 1,078,686.38, 1,617,608.98 and 404,400.16 is: 606,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,686.38 : 1,617,608.98 = 404,400.16 : x
  2. Step 2: Convert to fraction form
    1,078,686.38/1,617,608.98 = 404,400.16/x
  3. Step 3: Cross multiply
    1,078,686.38x = 1,617,608.98 × 404,400.16
  4. Step 4: Simplify right side
    1,078,686.38x = 654,161,332,856.95
  5. Step 5: Solve for x
    x = 654,161,332,856.95/1,078,686.38
  6. Step 6: Final answer
    x = 606,442.56

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1.5x scale

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.