Home / 1,262,199-1,741,841.07-689,239.20

Finding the Fourth Proportional to 1,262,199, 1,741,841.07 and 689,239.20

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Solution

The fourth proportional to 1,262,199, 1,741,841.07 and 689,239.20 is: 951,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,199 : 1,741,841.07 = 689,239.20 : x
  2. Step 2: Convert to fraction form
    1,262,199/1,741,841.07 = 689,239.20/x
  3. Step 3: Cross multiply
    1,262,199x = 1,741,841.07 × 689,239.20
  4. Step 4: Simplify right side
    1,262,199x = 1,200,545,145,613.94
  5. Step 5: Solve for x
    x = 1,200,545,145,613.94/1,262,199
  6. Step 6: Final answer
    x = 951,153.62

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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.