Home / 1,757,830.81-2,636,998.89-543,502.13

Finding the Fourth Proportional to 1,757,830.81, 2,636,998.89 and 543,502.13

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Solution

The fourth proportional to 1,757,830.81, 2,636,998.89 and 543,502.13 is: 815,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,830.81 : 2,636,998.89 = 543,502.13 : x
  2. Step 2: Convert to fraction form
    1,757,830.81/2,636,998.89 = 543,502.13/x
  3. Step 3: Cross multiply
    1,757,830.81x = 2,636,998.89 × 543,502.13
  4. Step 4: Simplify right side
    1,757,830.81x = 1,433,214,522,021.15
  5. Step 5: Solve for x
    x = 1,433,214,522,021.15/1,757,830.81
  6. Step 6: Final answer
    x = 815,331.32

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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.