Home / 907,614.20-1,252,895.26-646,138.34

Finding the Fourth Proportional to 907,614.20, 1,252,895.26 and 646,138.34

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Solution

The fourth proportional to 907,614.20, 1,252,895.26 and 646,138.34 is: 891,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,614.20 : 1,252,895.26 = 646,138.34 : x
  2. Step 2: Convert to fraction form
    907,614.20/1,252,895.26 = 646,138.34/x
  3. Step 3: Cross multiply
    907,614.20x = 1,252,895.26 × 646,138.34
  4. Step 4: Simplify right side
    907,614.20x = 809,543,663,490.27
  5. Step 5: Solve for x
    x = 809,543,663,490.27/907,614.20
  6. Step 6: Final answer
    x = 891,946.89

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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.