Home / 696,756.40-1,043,093.40-520,046.80

Finding the Fourth Proportional to 696,756.40, 1,043,093.40 and 520,046.80

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Solution

The fourth proportional to 696,756.40, 1,043,093.40 and 520,046.80 is: 778,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,756.40 : 1,043,093.40 = 520,046.80 : x
  2. Step 2: Convert to fraction form
    696,756.40/1,043,093.40 = 520,046.80/x
  3. Step 3: Cross multiply
    696,756.40x = 1,043,093.40 × 520,046.80
  4. Step 4: Simplify right side
    696,756.40x = 542,457,384,771.12
  5. Step 5: Solve for x
    x = 542,457,384,771.12/696,756.40
  6. Step 6: Final answer
    x = 778,546.68

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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.