Home / 1,191,417.45-1,644,172.73-647,553.07

Finding the Fourth Proportional to 1,191,417.45, 1,644,172.73 and 647,553.07

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Solution

The fourth proportional to 1,191,417.45, 1,644,172.73 and 647,553.07 is: 893,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,417.45 : 1,644,172.73 = 647,553.07 : x
  2. Step 2: Convert to fraction form
    1,191,417.45/1,644,172.73 = 647,553.07/x
  3. Step 3: Cross multiply
    1,191,417.45x = 1,644,172.73 × 647,553.07
  4. Step 4: Simplify right side
    1,191,417.45x = 1,064,689,098,921.78
  5. Step 5: Solve for x
    x = 1,064,689,098,921.78/1,191,417.45
  6. Step 6: Final answer
    x = 893,632.29

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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.