Home / 1,191,522.62-1,644,312.89-647,658.07

Finding the Fourth Proportional to 1,191,522.62, 1,644,312.89 and 647,658.07

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Solution

The fourth proportional to 1,191,522.62, 1,644,312.89 and 647,658.07 is: 893,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,522.62 : 1,644,312.89 = 647,658.07 : x
  2. Step 2: Convert to fraction form
    1,191,522.62/1,644,312.89 = 647,658.07/x
  3. Step 3: Cross multiply
    1,191,522.62x = 1,644,312.89 × 647,658.07
  4. Step 4: Simplify right side
    1,191,522.62x = 1,064,952,512,813.52
  5. Step 5: Solve for x
    x = 1,064,952,512,813.52/1,191,522.62
  6. Step 6: Final answer
    x = 893,774.48

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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.