Home / 1,372,507.24-2,058,893.89-425,623.72

Finding the Fourth Proportional to 1,372,507.24, 2,058,893.89 and 425,623.72

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Solution

The fourth proportional to 1,372,507.24, 2,058,893.89 and 425,623.72 is: 638,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,507.24 : 2,058,893.89 = 425,623.72 : x
  2. Step 2: Convert to fraction form
    1,372,507.24/2,058,893.89 = 425,623.72/x
  3. Step 3: Cross multiply
    1,372,507.24x = 2,058,893.89 × 425,623.72
  4. Step 4: Simplify right side
    1,372,507.24x = 876,314,076,547.07
  5. Step 5: Solve for x
    x = 876,314,076,547.07/1,372,507.24
  6. Step 6: Final answer
    x = 638,476.83

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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.