Home / 1,078,997.80-1,489,017.09-595,563.08

Finding the Fourth Proportional to 1,078,997.80, 1,489,017.09 and 595,563.08

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Solution

The fourth proportional to 1,078,997.80, 1,489,017.09 and 595,563.08 is: 821,877.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,997.80 : 1,489,017.09 = 595,563.08 : x
  2. Step 2: Convert to fraction form
    1,078,997.80/1,489,017.09 = 595,563.08/x
  3. Step 3: Cross multiply
    1,078,997.80x = 1,489,017.09 × 595,563.08
  4. Step 4: Simplify right side
    1,078,997.80x = 886,803,598,336.86
  5. Step 5: Solve for x
    x = 886,803,598,336.86/1,078,997.80
  6. Step 6: Final answer
    x = 821,877.12

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1.5x scale

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.