Home / 785,791.90-1,084,397.15-459,124.09

Finding the Fourth Proportional to 785,791.90, 1,084,397.15 and 459,124.09

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Solution

The fourth proportional to 785,791.90, 1,084,397.15 and 459,124.09 is: 633,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,791.90 : 1,084,397.15 = 459,124.09 : x
  2. Step 2: Convert to fraction form
    785,791.90/1,084,397.15 = 459,124.09/x
  3. Step 3: Cross multiply
    785,791.90x = 1,084,397.15 × 459,124.09
  4. Step 4: Simplify right side
    785,791.90x = 497,872,854,692.34
  5. Step 5: Solve for x
    x = 497,872,854,692.34/785,791.90
  6. Step 6: Final answer
    x = 633,593.77

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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.