Home / 6,385,690.80-9,578,536.20-5,692,849.20

Finding the Fourth Proportional to 6,385,690.80, 9,578,536.20 and 5,692,849.20

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Solution

The fourth proportional to 6,385,690.80, 9,578,536.20 and 5,692,849.20 is: 8,539,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,690.80 : 9,578,536.20 = 5,692,849.20 : x
  2. Step 2: Convert to fraction form
    6,385,690.80/9,578,536.20 = 5,692,849.20/x
  3. Step 3: Cross multiply
    6,385,690.80x = 9,578,536.20 × 5,692,849.20
  4. Step 4: Simplify right side
    6,385,690.80x = 54,529,162,143,341.04
  5. Step 5: Solve for x
    x = 54,529,162,143,341.04/6,385,690.80
  6. Step 6: Final answer
    x = 8,539,273.80

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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.