Home / 1,214,078.76-1,675,384.77-670,202.87

Finding the Fourth Proportional to 1,214,078.76, 1,675,384.77 and 670,202.87

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Solution

The fourth proportional to 1,214,078.76, 1,675,384.77 and 670,202.87 is: 924,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,078.76 : 1,675,384.77 = 670,202.87 : x
  2. Step 2: Convert to fraction form
    1,214,078.76/1,675,384.77 = 670,202.87/x
  3. Step 3: Cross multiply
    1,214,078.76x = 1,675,384.77 × 670,202.87
  4. Step 4: Simplify right side
    1,214,078.76x = 1,122,847,672,831.37
  5. Step 5: Solve for x
    x = 1,122,847,672,831.37/1,214,078.76
  6. Step 6: Final answer
    x = 924,855.71

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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.