Home / 1,057,982.72-1,460,227.92-628,501.28

Finding the Fourth Proportional to 1,057,982.72, 1,460,227.92 and 628,501.28

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Solution

The fourth proportional to 1,057,982.72, 1,460,227.92 and 628,501.28 is: 867,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,982.72 : 1,460,227.92 = 628,501.28 : x
  2. Step 2: Convert to fraction form
    1,057,982.72/1,460,227.92 = 628,501.28/x
  3. Step 3: Cross multiply
    1,057,982.72x = 1,460,227.92 × 628,501.28
  4. Step 4: Simplify right side
    1,057,982.72x = 917,755,116,811.74
  5. Step 5: Solve for x
    x = 917,755,116,811.74/1,057,982.72
  6. Step 6: Final answer
    x = 867,457.57

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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.