Home / 1,680,553.88-2,319,192-916,607.44

Finding the Fourth Proportional to 1,680,553.88, 2,319,192 and 916,607.44

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Solution

The fourth proportional to 1,680,553.88, 2,319,192 and 916,607.44 is: 1,264,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,553.88 : 2,319,192 = 916,607.44 : x
  2. Step 2: Convert to fraction form
    1,680,553.88/2,319,192 = 916,607.44/x
  3. Step 3: Cross multiply
    1,680,553.88x = 2,319,192 × 916,607.44
  4. Step 4: Simplify right side
    1,680,553.88x = 2,125,788,644,887.47
  5. Step 5: Solve for x
    x = 2,125,788,644,887.47/1,680,553.88
  6. Step 6: Final answer
    x = 1,264,933.35

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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.