Home / 1,372,507.74-2,058,894.64-425,624.22

Finding the Fourth Proportional to 1,372,507.74, 2,058,894.64 and 425,624.22

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Solution

The fourth proportional to 1,372,507.74, 2,058,894.64 and 425,624.22 is: 638,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,507.74 : 2,058,894.64 = 425,624.22 : x
  2. Step 2: Convert to fraction form
    1,372,507.74/2,058,894.64 = 425,624.22/x
  3. Step 3: Cross multiply
    1,372,507.74x = 2,058,894.64 × 425,624.22
  4. Step 4: Simplify right side
    1,372,507.74x = 876,315,425,212.18
  5. Step 5: Solve for x
    x = 876,315,425,212.18/1,372,507.74
  6. Step 6: Final answer
    x = 638,477.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.