Home / 705,748.74-1,058,028.03-306,088.50

Finding the Fourth Proportional to 705,748.74, 1,058,028.03 and 306,088.50

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Solution

The fourth proportional to 705,748.74, 1,058,028.03 and 306,088.50 is: 458,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,748.74 : 1,058,028.03 = 306,088.50 : x
  2. Step 2: Convert to fraction form
    705,748.74/1,058,028.03 = 306,088.50/x
  3. Step 3: Cross multiply
    705,748.74x = 1,058,028.03 × 306,088.50
  4. Step 4: Simplify right side
    705,748.74x = 323,850,212,660.66
  5. Step 5: Solve for x
    x = 323,850,212,660.66/705,748.74
  6. Step 6: Final answer
    x = 458,874.66

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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.