Home / 756,434.20-1,133,096.10-520,043.80

Finding the Fourth Proportional to 756,434.20, 1,133,096.10 and 520,043.80

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Solution

The fourth proportional to 756,434.20, 1,133,096.10 and 520,043.80 is: 778,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,434.20 : 1,133,096.10 = 520,043.80 : x
  2. Step 2: Convert to fraction form
    756,434.20/1,133,096.10 = 520,043.80/x
  3. Step 3: Cross multiply
    756,434.20x = 1,133,096.10 × 520,043.80
  4. Step 4: Simplify right side
    756,434.20x = 589,259,601,609.18
  5. Step 5: Solve for x
    x = 589,259,601,609.18/756,434.20
  6. Step 6: Final answer
    x = 778,996.51

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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.