Home / 813,663.90-1,219,609.17-694,975.14

Finding the Fourth Proportional to 813,663.90, 1,219,609.17 and 694,975.14

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Solution

The fourth proportional to 813,663.90, 1,219,609.17 and 694,975.14 is: 1,041,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,663.90 : 1,219,609.17 = 694,975.14 : x
  2. Step 2: Convert to fraction form
    813,663.90/1,219,609.17 = 694,975.14/x
  3. Step 3: Cross multiply
    813,663.90x = 1,219,609.17 × 694,975.14
  4. Step 4: Simplify right side
    813,663.90x = 847,598,053,666.03
  5. Step 5: Solve for x
    x = 847,598,053,666.03/813,663.90
  6. Step 6: Final answer
    x = 1,041,705.37

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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.