Home / 929,477.40-1,394,216.10-574,891.80

Finding the Fourth Proportional to 929,477.40, 1,394,216.10 and 574,891.80

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Solution

The fourth proportional to 929,477.40, 1,394,216.10 and 574,891.80 is: 862,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,477.40 : 1,394,216.10 = 574,891.80 : x
  2. Step 2: Convert to fraction form
    929,477.40/1,394,216.10 = 574,891.80/x
  3. Step 3: Cross multiply
    929,477.40x = 1,394,216.10 × 574,891.80
  4. Step 4: Simplify right side
    929,477.40x = 801,523,403,317.98
  5. Step 5: Solve for x
    x = 801,523,403,317.98/929,477.40
  6. Step 6: Final answer
    x = 862,337.70

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Double scale
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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.