Home / 845,647.29-1,167,026.94-463,687.74

Finding the Fourth Proportional to 845,647.29, 1,167,026.94 and 463,687.74

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Solution

The fourth proportional to 845,647.29, 1,167,026.94 and 463,687.74 is: 639,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,647.29 : 1,167,026.94 = 463,687.74 : x
  2. Step 2: Convert to fraction form
    845,647.29/1,167,026.94 = 463,687.74/x
  3. Step 3: Cross multiply
    845,647.29x = 1,167,026.94 × 463,687.74
  4. Step 4: Simplify right side
    845,647.29x = 541,136,084,327.72
  5. Step 5: Solve for x
    x = 541,136,084,327.72/845,647.29
  6. Step 6: Final answer
    x = 639,907.55

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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.