Home / 694,562.40-1,040,288.40-570,146.40

Finding the Fourth Proportional to 694,562.40, 1,040,288.40 and 570,146.40

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Solution

The fourth proportional to 694,562.40, 1,040,288.40 and 570,146.40 is: 853,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,562.40 : 1,040,288.40 = 570,146.40 : x
  2. Step 2: Convert to fraction form
    694,562.40/1,040,288.40 = 570,146.40/x
  3. Step 3: Cross multiply
    694,562.40x = 1,040,288.40 × 570,146.40
  4. Step 4: Simplify right side
    694,562.40x = 593,116,686,221.76
  5. Step 5: Solve for x
    x = 593,116,686,221.76/694,562.40
  6. Step 6: Final answer
    x = 853,942.98

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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.