Home / 737,781.04-1,018,139.94-427,743.87

Finding the Fourth Proportional to 737,781.04, 1,018,139.94 and 427,743.87

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Solution

The fourth proportional to 737,781.04, 1,018,139.94 and 427,743.87 is: 590,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,781.04 : 1,018,139.94 = 427,743.87 : x
  2. Step 2: Convert to fraction form
    737,781.04/1,018,139.94 = 427,743.87/x
  3. Step 3: Cross multiply
    737,781.04x = 1,018,139.94 × 427,743.87
  4. Step 4: Simplify right side
    737,781.04x = 435,503,120,682.52
  5. Step 5: Solve for x
    x = 435,503,120,682.52/737,781.04
  6. Step 6: Final answer
    x = 590,287.77

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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.