Home / 859,623.10-1,289,434.65-228,600.70

Finding the Fourth Proportional to 859,623.10, 1,289,434.65 and 228,600.70

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Solution

The fourth proportional to 859,623.10, 1,289,434.65 and 228,600.70 is: 342,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,623.10 : 1,289,434.65 = 228,600.70 : x
  2. Step 2: Convert to fraction form
    859,623.10/1,289,434.65 = 228,600.70/x
  3. Step 3: Cross multiply
    859,623.10x = 1,289,434.65 × 228,600.70
  4. Step 4: Simplify right side
    859,623.10x = 294,765,663,594.26
  5. Step 5: Solve for x
    x = 294,765,663,594.26/859,623.10
  6. Step 6: Final answer
    x = 342,901.05

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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.