Home / 671,834.52-927,252.36-385,449.30

Finding the Fourth Proportional to 671,834.52, 927,252.36 and 385,449.30

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Solution

The fourth proportional to 671,834.52, 927,252.36 and 385,449.30 is: 531,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,834.52 : 927,252.36 = 385,449.30 : x
  2. Step 2: Convert to fraction form
    671,834.52/927,252.36 = 385,449.30/x
  3. Step 3: Cross multiply
    671,834.52x = 927,252.36 × 385,449.30
  4. Step 4: Simplify right side
    671,834.52x = 357,408,773,085.35
  5. Step 5: Solve for x
    x = 357,408,773,085.35/671,834.52
  6. Step 6: Final answer
    x = 531,989.30

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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.