Home / 436,031.60-654,047.40-331,055.60

Finding the Fourth Proportional to 436,031.60, 654,047.40 and 331,055.60

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Solution

The fourth proportional to 436,031.60, 654,047.40 and 331,055.60 is: 496,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,031.60 : 654,047.40 = 331,055.60 : x
  2. Step 2: Convert to fraction form
    436,031.60/654,047.40 = 331,055.60/x
  3. Step 3: Cross multiply
    436,031.60x = 654,047.40 × 331,055.60
  4. Step 4: Simplify right side
    436,031.60x = 216,526,054,435.44
  5. Step 5: Solve for x
    x = 216,526,054,435.44/436,031.60
  6. Step 6: Final answer
    x = 496,583.40

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Similar ratio
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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.