Home / 1,214,122.37-1,675,491.35-670,258.90

Finding the Fourth Proportional to 1,214,122.37, 1,675,491.35 and 670,258.90

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Solution

The fourth proportional to 1,214,122.37, 1,675,491.35 and 670,258.90 is: 924,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,122.37 : 1,675,491.35 = 670,258.90 : x
  2. Step 2: Convert to fraction form
    1,214,122.37/1,675,491.35 = 670,258.90/x
  3. Step 3: Cross multiply
    1,214,122.37x = 1,675,491.35 × 670,258.90
  4. Step 4: Simplify right side
    1,214,122.37x = 1,123,012,987,953.58
  5. Step 5: Solve for x
    x = 1,123,012,987,953.58/1,214,122.37
  6. Step 6: Final answer
    x = 924,958.65

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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.