Home / 956,640.37-1,320,223.54-526,920.39

Finding the Fourth Proportional to 956,640.37, 1,320,223.54 and 526,920.39

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Solution

The fourth proportional to 956,640.37, 1,320,223.54 and 526,920.39 is: 727,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,640.37 : 1,320,223.54 = 526,920.39 : x
  2. Step 2: Convert to fraction form
    956,640.37/1,320,223.54 = 526,920.39/x
  3. Step 3: Cross multiply
    956,640.37x = 1,320,223.54 × 526,920.39
  4. Step 4: Simplify right side
    956,640.37x = 695,652,702,583.98
  5. Step 5: Solve for x
    x = 695,652,702,583.98/956,640.37
  6. Step 6: Final answer
    x = 727,183.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.