Home / 1,213,710.32-1,820,566.38-414,997.86

Finding the Fourth Proportional to 1,213,710.32, 1,820,566.38 and 414,997.86

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Solution

The fourth proportional to 1,213,710.32, 1,820,566.38 and 414,997.86 is: 622,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,710.32 : 1,820,566.38 = 414,997.86 : x
  2. Step 2: Convert to fraction form
    1,213,710.32/1,820,566.38 = 414,997.86/x
  3. Step 3: Cross multiply
    1,213,710.32x = 1,820,566.38 × 414,997.86
  4. Step 4: Simplify right side
    1,213,710.32x = 755,531,151,687.95
  5. Step 5: Solve for x
    x = 755,531,151,687.95/1,213,710.32
  6. Step 6: Final answer
    x = 622,497.10

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Double scale
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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.