Home / 705,777.72-1,058,071.50-306,117.60

Finding the Fourth Proportional to 705,777.72, 1,058,071.50 and 306,117.60

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Solution

The fourth proportional to 705,777.72, 1,058,071.50 and 306,117.60 is: 458,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,777.72 : 1,058,071.50 = 306,117.60 : x
  2. Step 2: Convert to fraction form
    705,777.72/1,058,071.50 = 306,117.60/x
  3. Step 3: Cross multiply
    705,777.72x = 1,058,071.50 × 306,117.60
  4. Step 4: Simplify right side
    705,777.72x = 323,894,308,208.40
  5. Step 5: Solve for x
    x = 323,894,308,208.40/705,777.72
  6. Step 6: Final answer
    x = 458,918.30

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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.