Home / 1,588,363.87-2,191,959.04-863,211.57

Finding the Fourth Proportional to 1,588,363.87, 2,191,959.04 and 863,211.57

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Solution

The fourth proportional to 1,588,363.87, 2,191,959.04 and 863,211.57 is: 1,191,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,363.87 : 2,191,959.04 = 863,211.57 : x
  2. Step 2: Convert to fraction form
    1,588,363.87/2,191,959.04 = 863,211.57/x
  3. Step 3: Cross multiply
    1,588,363.87x = 2,191,959.04 × 863,211.57
  4. Step 4: Simplify right side
    1,588,363.87x = 1,892,124,404,294.09
  5. Step 5: Solve for x
    x = 1,892,124,404,294.09/1,588,363.87
  6. Step 6: Final answer
    x = 1,191,241.15

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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.