Home / 905,142.51-1,248,542.62-537,370.04

Finding the Fourth Proportional to 905,142.51, 1,248,542.62 and 537,370.04

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Solution

The fourth proportional to 905,142.51, 1,248,542.62 and 537,370.04 is: 741,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,142.51 : 1,248,542.62 = 537,370.04 : x
  2. Step 2: Convert to fraction form
    905,142.51/1,248,542.62 = 537,370.04/x
  3. Step 3: Cross multiply
    905,142.51x = 1,248,542.62 × 537,370.04
  4. Step 4: Simplify right side
    905,142.51x = 670,929,399,429.04
  5. Step 5: Solve for x
    x = 670,929,399,429.04/905,142.51
  6. Step 6: Final answer
    x = 741,241.73

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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.