Home / 651,401.60-977,102.40-230,622.80

Finding the Fourth Proportional to 651,401.60, 977,102.40 and 230,622.80

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Solution

The fourth proportional to 651,401.60, 977,102.40 and 230,622.80 is: 345,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,401.60 : 977,102.40 = 230,622.80 : x
  2. Step 2: Convert to fraction form
    651,401.60/977,102.40 = 230,622.80/x
  3. Step 3: Cross multiply
    651,401.60x = 977,102.40 × 230,622.80
  4. Step 4: Simplify right side
    651,401.60x = 225,342,091,374.72
  5. Step 5: Solve for x
    x = 225,342,091,374.72/651,401.60
  6. Step 6: Final answer
    x = 345,934.20

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Double scale
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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.