Home / 1,058,447.05-1,460,782.14-628,728.89

Finding the Fourth Proportional to 1,058,447.05, 1,460,782.14 and 628,728.89

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Solution

The fourth proportional to 1,058,447.05, 1,460,782.14 and 628,728.89 is: 867,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,447.05 : 1,460,782.14 = 628,728.89 : x
  2. Step 2: Convert to fraction form
    1,058,447.05/1,460,782.14 = 628,728.89/x
  3. Step 3: Cross multiply
    1,058,447.05x = 1,460,782.14 × 628,728.89
  4. Step 4: Simplify right side
    1,058,447.05x = 918,435,935,505.88
  5. Step 5: Solve for x
    x = 918,435,935,505.88/1,058,447.05
  6. Step 6: Final answer
    x = 867,720.24

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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.