Home / 1,663,195.90-2,493,809.70-866,034.40

Finding the Fourth Proportional to 1,663,195.90, 2,493,809.70 and 866,034.40

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Solution

The fourth proportional to 1,663,195.90, 2,493,809.70 and 866,034.40 is: 1,298,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,195.90 : 2,493,809.70 = 866,034.40 : x
  2. Step 2: Convert to fraction form
    1,663,195.90/2,493,809.70 = 866,034.40/x
  3. Step 3: Cross multiply
    1,663,195.90x = 2,493,809.70 × 866,034.40
  4. Step 4: Simplify right side
    1,663,195.90x = 2,159,724,987,253.68
  5. Step 5: Solve for x
    x = 2,159,724,987,253.68/1,663,195.90
  6. Step 6: Final answer
    x = 1,298,539.15

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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.