Home / 1,181,792.88-1,772,692.20-471,878.64

Finding the Fourth Proportional to 1,181,792.88, 1,772,692.20 and 471,878.64

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Solution

The fourth proportional to 1,181,792.88, 1,772,692.20 and 471,878.64 is: 707,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,792.88 : 1,772,692.20 = 471,878.64 : x
  2. Step 2: Convert to fraction form
    1,181,792.88/1,772,692.20 = 471,878.64/x
  3. Step 3: Cross multiply
    1,181,792.88x = 1,772,692.20 × 471,878.64
  4. Step 4: Simplify right side
    1,181,792.88x = 836,495,584,474.61
  5. Step 5: Solve for x
    x = 836,495,584,474.61/1,181,792.88
  6. Step 6: Final answer
    x = 707,819.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.