Home / 1,207,909.14-1,666,946.43-664,058.64

Finding the Fourth Proportional to 1,207,909.14, 1,666,946.43 and 664,058.64

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Solution

The fourth proportional to 1,207,909.14, 1,666,946.43 and 664,058.64 is: 916,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,909.14 : 1,666,946.43 = 664,058.64 : x
  2. Step 2: Convert to fraction form
    1,207,909.14/1,666,946.43 = 664,058.64/x
  3. Step 3: Cross multiply
    1,207,909.14x = 1,666,946.43 × 664,058.64
  4. Step 4: Simplify right side
    1,207,909.14x = 1,106,950,179,258.66
  5. Step 5: Solve for x
    x = 1,106,950,179,258.66/1,207,909.14
  6. Step 6: Final answer
    x = 916,418.41

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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.