Home / 1,121,933.64-1,681,653.86-854,813.46

Finding the Fourth Proportional to 1,121,933.64, 1,681,653.86 and 854,813.46

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Solution

The fourth proportional to 1,121,933.64, 1,681,653.86 and 854,813.46 is: 1,281,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,933.64 : 1,681,653.86 = 854,813.46 : x
  2. Step 2: Convert to fraction form
    1,121,933.64/1,681,653.86 = 854,813.46/x
  3. Step 3: Cross multiply
    1,121,933.64x = 1,681,653.86 × 854,813.46
  4. Step 4: Simplify right side
    1,121,933.64x = 1,437,500,354,588.96
  5. Step 5: Solve for x
    x = 1,437,500,354,588.96/1,121,933.64
  6. Step 6: Final answer
    x = 1,281,270.39

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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.