Home / 905,781.74-1,250,044.11-543,199.01

Finding the Fourth Proportional to 905,781.74, 1,250,044.11 and 543,199.01

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Solution

The fourth proportional to 905,781.74, 1,250,044.11 and 543,199.01 is: 749,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,781.74 : 1,250,044.11 = 543,199.01 : x
  2. Step 2: Convert to fraction form
    905,781.74/1,250,044.11 = 543,199.01/x
  3. Step 3: Cross multiply
    905,781.74x = 1,250,044.11 × 543,199.01
  4. Step 4: Simplify right side
    905,781.74x = 679,022,716,758.11
  5. Step 5: Solve for x
    x = 679,022,716,758.11/905,781.74
  6. Step 6: Final answer
    x = 749,653.80

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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.