Home / 1,521,261.66-2,099,321.52-876,741.86

Finding the Fourth Proportional to 1,521,261.66, 2,099,321.52 and 876,741.86

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Solution

The fourth proportional to 1,521,261.66, 2,099,321.52 and 876,741.86 is: 1,209,892.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,261.66 : 2,099,321.52 = 876,741.86 : x
  2. Step 2: Convert to fraction form
    1,521,261.66/2,099,321.52 = 876,741.86/x
  3. Step 3: Cross multiply
    1,521,261.66x = 2,099,321.52 × 876,741.86
  4. Step 4: Simplify right side
    1,521,261.66x = 1,840,563,054,182.83
  5. Step 5: Solve for x
    x = 1,840,563,054,182.83/1,521,261.66
  6. Step 6: Final answer
    x = 1,209,892.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.