Home / 449,823.15-674,845.47-316,962.90

Finding the Fourth Proportional to 449,823.15, 674,845.47 and 316,962.90

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Solution

The fourth proportional to 449,823.15, 674,845.47 and 316,962.90 is: 475,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,823.15 : 674,845.47 = 316,962.90 : x
  2. Step 2: Convert to fraction form
    449,823.15/674,845.47 = 316,962.90/x
  3. Step 3: Cross multiply
    449,823.15x = 674,845.47 × 316,962.90
  4. Step 4: Simplify right side
    449,823.15x = 213,900,977,223.06
  5. Step 5: Solve for x
    x = 213,900,977,223.06/449,823.15
  6. Step 6: Final answer
    x = 475,522.39

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1.5x scale

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.