Home / 743,647.98-1,026,548.16-502,257.51

Finding the Fourth Proportional to 743,647.98, 1,026,548.16 and 502,257.51

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Solution

The fourth proportional to 743,647.98, 1,026,548.16 and 502,257.51 is: 693,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,647.98 : 1,026,548.16 = 502,257.51 : x
  2. Step 2: Convert to fraction form
    743,647.98/1,026,548.16 = 502,257.51/x
  3. Step 3: Cross multiply
    743,647.98x = 1,026,548.16 × 502,257.51
  4. Step 4: Simplify right side
    743,647.98x = 515,591,520,853.22
  5. Step 5: Solve for x
    x = 515,591,520,853.22/743,647.98
  6. Step 6: Final answer
    x = 693,327.40

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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.