Home / 1,058,400.80-1,460,551.20-628,669.52

Finding the Fourth Proportional to 1,058,400.80, 1,460,551.20 and 628,669.52

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Solution

The fourth proportional to 1,058,400.80, 1,460,551.20 and 628,669.52 is: 867,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,400.80 : 1,460,551.20 = 628,669.52 : x
  2. Step 2: Convert to fraction form
    1,058,400.80/1,460,551.20 = 628,669.52/x
  3. Step 3: Cross multiply
    1,058,400.80x = 1,460,551.20 × 628,669.52
  4. Step 4: Simplify right side
    1,058,400.80x = 918,204,021,839.42
  5. Step 5: Solve for x
    x = 918,204,021,839.42/1,058,400.80
  6. Step 6: Final answer
    x = 867,539.05

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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.