Home / 1,131,918.20-1,562,161.68-648,547.44

Finding the Fourth Proportional to 1,131,918.20, 1,562,161.68 and 648,547.44

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Solution

The fourth proportional to 1,131,918.20, 1,562,161.68 and 648,547.44 is: 895,061.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,918.20 : 1,562,161.68 = 648,547.44 : x
  2. Step 2: Convert to fraction form
    1,131,918.20/1,562,161.68 = 648,547.44/x
  3. Step 3: Cross multiply
    1,131,918.20x = 1,562,161.68 × 648,547.44
  4. Step 4: Simplify right side
    1,131,918.20x = 1,013,135,958,430.10
  5. Step 5: Solve for x
    x = 1,013,135,958,430.10/1,131,918.20
  6. Step 6: Final answer
    x = 895,061.11

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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.