Home / 1,215,514.97-1,677,410.10-671,646

Finding the Fourth Proportional to 1,215,514.97, 1,677,410.10 and 671,646

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Solution

The fourth proportional to 1,215,514.97, 1,677,410.10 and 671,646 is: 926,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,514.97 : 1,677,410.10 = 671,646 : x
  2. Step 2: Convert to fraction form
    1,215,514.97/1,677,410.10 = 671,646/x
  3. Step 3: Cross multiply
    1,215,514.97x = 1,677,410.10 × 671,646
  4. Step 4: Simplify right side
    1,215,514.97x = 1,126,625,784,024.60
  5. Step 5: Solve for x
    x = 1,126,625,784,024.60/1,215,514.97
  6. Step 6: Final answer
    x = 926,871.17

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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.