Home / 651,454.83-977,156.70-272,277.63

Finding the Fourth Proportional to 651,454.83, 977,156.70 and 272,277.63

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Solution

The fourth proportional to 651,454.83, 977,156.70 and 272,277.63 is: 408,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,454.83 : 977,156.70 = 272,277.63 : x
  2. Step 2: Convert to fraction form
    651,454.83/977,156.70 = 272,277.63/x
  3. Step 3: Cross multiply
    651,454.83x = 977,156.70 × 272,277.63
  4. Step 4: Simplify right side
    651,454.83x = 266,057,910,414.62
  5. Step 5: Solve for x
    x = 266,057,910,414.62/651,454.83
  6. Step 6: Final answer
    x = 408,405.77

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Similar ratio
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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.