Home / 863,229.60-1,296,205.20-508,514.40

Finding the Fourth Proportional to 863,229.60, 1,296,205.20 and 508,514.40

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Solution

The fourth proportional to 863,229.60, 1,296,205.20 and 508,514.40 is: 763,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,229.60 : 1,296,205.20 = 508,514.40 : x
  2. Step 2: Convert to fraction form
    863,229.60/1,296,205.20 = 508,514.40/x
  3. Step 3: Cross multiply
    863,229.60x = 1,296,205.20 × 508,514.40
  4. Step 4: Simplify right side
    863,229.60x = 659,139,009,554.88
  5. Step 5: Solve for x
    x = 659,139,009,554.88/863,229.60
  6. Step 6: Final answer
    x = 763,573.22

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Double scale
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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.