Home / 906,162.09-1,250,192.52-561,874.12

Finding the Fourth Proportional to 906,162.09, 1,250,192.52 and 561,874.12

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Solution

The fourth proportional to 906,162.09, 1,250,192.52 and 561,874.12 is: 775,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,162.09 : 1,250,192.52 = 561,874.12 : x
  2. Step 2: Convert to fraction form
    906,162.09/1,250,192.52 = 561,874.12/x
  3. Step 3: Cross multiply
    906,162.09x = 1,250,192.52 × 561,874.12
  4. Step 4: Simplify right side
    906,162.09x = 702,450,822,005.58
  5. Step 5: Solve for x
    x = 702,450,822,005.58/906,162.09
  6. Step 6: Final answer
    x = 775,193.35

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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.