Home / 864,709.20-1,297,063.80-367,045.20

Finding the Fourth Proportional to 864,709.20, 1,297,063.80 and 367,045.20

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Solution

The fourth proportional to 864,709.20, 1,297,063.80 and 367,045.20 is: 550,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,709.20 : 1,297,063.80 = 367,045.20 : x
  2. Step 2: Convert to fraction form
    864,709.20/1,297,063.80 = 367,045.20/x
  3. Step 3: Cross multiply
    864,709.20x = 1,297,063.80 × 367,045.20
  4. Step 4: Simplify right side
    864,709.20x = 476,081,041,883.76
  5. Step 5: Solve for x
    x = 476,081,041,883.76/864,709.20
  6. Step 6: Final answer
    x = 550,567.80

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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.