Home / 1,059,889.39-1,587,831.42-626,313.54

Finding the Fourth Proportional to 1,059,889.39, 1,587,831.42 and 626,313.54

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Solution

The fourth proportional to 1,059,889.39, 1,587,831.42 and 626,313.54 is: 938,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,889.39 : 1,587,831.42 = 626,313.54 : x
  2. Step 2: Convert to fraction form
    1,059,889.39/1,587,831.42 = 626,313.54/x
  3. Step 3: Cross multiply
    1,059,889.39x = 1,587,831.42 × 626,313.54
  4. Step 4: Simplify right side
    1,059,889.39x = 994,480,317,583.43
  5. Step 5: Solve for x
    x = 994,480,317,583.43/1,059,889.39
  6. Step 6: Final answer
    x = 938,286.89

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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.