Home / 651,736.80-977,605.20-277,711.20

Finding the Fourth Proportional to 651,736.80, 977,605.20 and 277,711.20

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Solution

The fourth proportional to 651,736.80, 977,605.20 and 277,711.20 is: 416,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,736.80 : 977,605.20 = 277,711.20 : x
  2. Step 2: Convert to fraction form
    651,736.80/977,605.20 = 277,711.20/x
  3. Step 3: Cross multiply
    651,736.80x = 977,605.20 × 277,711.20
  4. Step 4: Simplify right side
    651,736.80x = 271,491,913,218.24
  5. Step 5: Solve for x
    x = 271,491,913,218.24/651,736.80
  6. Step 6: Final answer
    x = 416,566.80

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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.