Home / 885,893.15-1,222,107.35-579,834.78

Finding the Fourth Proportional to 885,893.15, 1,222,107.35 and 579,834.78

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Solution

The fourth proportional to 885,893.15, 1,222,107.35 and 579,834.78 is: 799,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,893.15 : 1,222,107.35 = 579,834.78 : x
  2. Step 2: Convert to fraction form
    885,893.15/1,222,107.35 = 579,834.78/x
  3. Step 3: Cross multiply
    885,893.15x = 1,222,107.35 × 579,834.78
  4. Step 4: Simplify right side
    885,893.15x = 708,620,343,524.46
  5. Step 5: Solve for x
    x = 708,620,343,524.46/885,893.15
  6. Step 6: Final answer
    x = 799,893.70

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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.