Home / 1,333,558.64-1,840,313.14-721,711.94

Finding the Fourth Proportional to 1,333,558.64, 1,840,313.14 and 721,711.94

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Solution

The fourth proportional to 1,333,558.64, 1,840,313.14 and 721,711.94 is: 995,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,558.64 : 1,840,313.14 = 721,711.94 : x
  2. Step 2: Convert to fraction form
    1,333,558.64/1,840,313.14 = 721,711.94/x
  3. Step 3: Cross multiply
    1,333,558.64x = 1,840,313.14 × 721,711.94
  4. Step 4: Simplify right side
    1,333,558.64x = 1,328,175,966,476.89
  5. Step 5: Solve for x
    x = 1,328,175,966,476.89/1,333,558.64
  6. Step 6: Final answer
    x = 995,963.68

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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.