Home / 864,005.70-1,296,008.55-264,962.10

Finding the Fourth Proportional to 864,005.70, 1,296,008.55 and 264,962.10

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Solution

The fourth proportional to 864,005.70, 1,296,008.55 and 264,962.10 is: 397,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,005.70 : 1,296,008.55 = 264,962.10 : x
  2. Step 2: Convert to fraction form
    864,005.70/1,296,008.55 = 264,962.10/x
  3. Step 3: Cross multiply
    864,005.70x = 1,296,008.55 × 264,962.10
  4. Step 4: Simplify right side
    864,005.70x = 343,393,147,025.96
  5. Step 5: Solve for x
    x = 343,393,147,025.96/864,005.70
  6. Step 6: Final answer
    x = 397,443.15

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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.