Home / 985,256.10-1,477,884.15-354,233.70

Finding the Fourth Proportional to 985,256.10, 1,477,884.15 and 354,233.70

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Solution

The fourth proportional to 985,256.10, 1,477,884.15 and 354,233.70 is: 531,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,256.10 : 1,477,884.15 = 354,233.70 : x
  2. Step 2: Convert to fraction form
    985,256.10/1,477,884.15 = 354,233.70/x
  3. Step 3: Cross multiply
    985,256.10x = 1,477,884.15 × 354,233.70
  4. Step 4: Simplify right side
    985,256.10x = 523,516,370,625.86
  5. Step 5: Solve for x
    x = 523,516,370,625.86/985,256.10
  6. Step 6: Final answer
    x = 531,350.55

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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.