Home / 2,153,955.64-3,231,317.67-714,725.50

Finding the Fourth Proportional to 2,153,955.64, 3,231,317.67 and 714,725.50

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Solution

The fourth proportional to 2,153,955.64, 3,231,317.67 and 714,725.50 is: 1,072,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,955.64 : 3,231,317.67 = 714,725.50 : x
  2. Step 2: Convert to fraction form
    2,153,955.64/3,231,317.67 = 714,725.50/x
  3. Step 3: Cross multiply
    2,153,955.64x = 3,231,317.67 × 714,725.50
  4. Step 4: Simplify right side
    2,153,955.64x = 2,309,505,137,349.59
  5. Step 5: Solve for x
    x = 2,309,505,137,349.59/2,153,955.64
  6. Step 6: Final answer
    x = 1,072,215.74

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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.