Home / 671,836.77-927,255.47-385,451.55

Finding the Fourth Proportional to 671,836.77, 927,255.47 and 385,451.55

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Solution

The fourth proportional to 671,836.77, 927,255.47 and 385,451.55 is: 531,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,836.77 : 927,255.47 = 385,451.55 : x
  2. Step 2: Convert to fraction form
    671,836.77/927,255.47 = 385,451.55/x
  3. Step 3: Cross multiply
    671,836.77x = 927,255.47 × 385,451.55
  4. Step 4: Simplify right side
    671,836.77x = 357,412,056,230.22
  5. Step 5: Solve for x
    x = 357,412,056,230.22/671,836.77
  6. Step 6: Final answer
    x = 531,992.40

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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.