Home / 823,088.40-1,236,706.20-523,712.40

Finding the Fourth Proportional to 823,088.40, 1,236,706.20 and 523,712.40

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Solution

The fourth proportional to 823,088.40, 1,236,706.20 and 523,712.40 is: 786,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,088.40 : 1,236,706.20 = 523,712.40 : x
  2. Step 2: Convert to fraction form
    823,088.40/1,236,706.20 = 523,712.40/x
  3. Step 3: Cross multiply
    823,088.40x = 1,236,706.20 × 523,712.40
  4. Step 4: Simplify right side
    823,088.40x = 647,678,372,096.88
  5. Step 5: Solve for x
    x = 647,678,372,096.88/823,088.40
  6. Step 6: Final answer
    x = 786,887.98

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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.