Home / 768,853.40-1,153,481.70-295,554.20

Finding the Fourth Proportional to 768,853.40, 1,153,481.70 and 295,554.20

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Solution

The fourth proportional to 768,853.40, 1,153,481.70 and 295,554.20 is: 443,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,853.40 : 1,153,481.70 = 295,554.20 : x
  2. Step 2: Convert to fraction form
    768,853.40/1,153,481.70 = 295,554.20/x
  3. Step 3: Cross multiply
    768,853.40x = 1,153,481.70 × 295,554.20
  4. Step 4: Simplify right side
    768,853.40x = 340,916,361,058.14
  5. Step 5: Solve for x
    x = 340,916,361,058.14/768,853.40
  6. Step 6: Final answer
    x = 443,408.80

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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.