Home / 985,121.60-1,477,682.40-564,051.20

Finding the Fourth Proportional to 985,121.60, 1,477,682.40 and 564,051.20

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Solution

The fourth proportional to 985,121.60, 1,477,682.40 and 564,051.20 is: 846,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,121.60 : 1,477,682.40 = 564,051.20 : x
  2. Step 2: Convert to fraction form
    985,121.60/1,477,682.40 = 564,051.20/x
  3. Step 3: Cross multiply
    985,121.60x = 1,477,682.40 × 564,051.20
  4. Step 4: Simplify right side
    985,121.60x = 833,488,530,938.88
  5. Step 5: Solve for x
    x = 833,488,530,938.88/985,121.60
  6. Step 6: Final answer
    x = 846,076.80

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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.