Home / 694,530.40-1,040,240.40-570,114.40

Finding the Fourth Proportional to 694,530.40, 1,040,240.40 and 570,114.40

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Solution

The fourth proportional to 694,530.40, 1,040,240.40 and 570,114.40 is: 853,894.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,530.40 : 1,040,240.40 = 570,114.40 : x
  2. Step 2: Convert to fraction form
    694,530.40/1,040,240.40 = 570,114.40/x
  3. Step 3: Cross multiply
    694,530.40x = 1,040,240.40 × 570,114.40
  4. Step 4: Simplify right side
    694,530.40x = 593,056,031,501.76
  5. Step 5: Solve for x
    x = 593,056,031,501.76/694,530.40
  6. Step 6: Final answer
    x = 853,894.99

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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.