Home / 694,560.40-1,040,285.40-570,144.40

Finding the Fourth Proportional to 694,560.40, 1,040,285.40 and 570,144.40

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Solution

The fourth proportional to 694,560.40, 1,040,285.40 and 570,144.40 is: 853,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,560.40 : 1,040,285.40 = 570,144.40 : x
  2. Step 2: Convert to fraction form
    694,560.40/1,040,285.40 = 570,144.40/x
  3. Step 3: Cross multiply
    694,560.40x = 1,040,285.40 × 570,144.40
  4. Step 4: Simplify right side
    694,560.40x = 593,112,895,211.76
  5. Step 5: Solve for x
    x = 593,112,895,211.76/694,560.40
  6. Step 6: Final answer
    x = 853,939.98

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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.