Home / 1,757,813.64-2,636,965.55-543,489.40

Finding the Fourth Proportional to 1,757,813.64, 2,636,965.55 and 543,489.40

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Solution

The fourth proportional to 1,757,813.64, 2,636,965.55 and 543,489.40 is: 815,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,813.64 : 2,636,965.55 = 543,489.40 : x
  2. Step 2: Convert to fraction form
    1,757,813.64/2,636,965.55 = 543,489.40/x
  3. Step 3: Cross multiply
    1,757,813.64x = 2,636,965.55 × 543,489.40
  4. Step 4: Simplify right side
    1,757,813.64x = 1,433,162,824,590.17
  5. Step 5: Solve for x
    x = 1,433,162,824,590.17/1,757,813.64
  6. Step 6: Final answer
    x = 815,309.88

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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.