Home / 1,422,828.86-2,134,086.08-357,871.32

Finding the Fourth Proportional to 1,422,828.86, 2,134,086.08 and 357,871.32

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Solution

The fourth proportional to 1,422,828.86, 2,134,086.08 and 357,871.32 is: 536,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,828.86 : 2,134,086.08 = 357,871.32 : x
  2. Step 2: Convert to fraction form
    1,422,828.86/2,134,086.08 = 357,871.32/x
  3. Step 3: Cross multiply
    1,422,828.86x = 2,134,086.08 × 357,871.32
  4. Step 4: Simplify right side
    1,422,828.86x = 763,728,200,653.87
  5. Step 5: Solve for x
    x = 763,728,200,653.87/1,422,828.86
  6. Step 6: Final answer
    x = 536,767.44

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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.