Home / 406,549.48-609,778.78-107,058.28

Finding the Fourth Proportional to 406,549.48, 609,778.78 and 107,058.28

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Solution

The fourth proportional to 406,549.48, 609,778.78 and 107,058.28 is: 160,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,549.48 : 609,778.78 = 107,058.28 : x
  2. Step 2: Convert to fraction form
    406,549.48/609,778.78 = 107,058.28/x
  3. Step 3: Cross multiply
    406,549.48x = 609,778.78 × 107,058.28
  4. Step 4: Simplify right side
    406,549.48x = 65,281,867,367.30
  5. Step 5: Solve for x
    x = 65,281,867,367.30/406,549.48
  6. Step 6: Final answer
    x = 160,575.45

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1.5x scale

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.