Home / 1,078,800.21-1,617,779.31-404,513.68

Finding the Fourth Proportional to 1,078,800.21, 1,617,779.31 and 404,513.68

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Solution

The fourth proportional to 1,078,800.21, 1,617,779.31 and 404,513.68 is: 606,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,800.21 : 1,617,779.31 = 404,513.68 : x
  2. Step 2: Convert to fraction form
    1,078,800.21/1,617,779.31 = 404,513.68/x
  3. Step 3: Cross multiply
    1,078,800.21x = 1,617,779.31 × 404,513.68
  4. Step 4: Simplify right side
    1,078,800.21x = 654,413,862,115.96
  5. Step 5: Solve for x
    x = 654,413,862,115.96/1,078,800.21
  6. Step 6: Final answer
    x = 606,612.66

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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.