Home / 1,905,842.20-2,858,156.34-626,152.60

Finding the Fourth Proportional to 1,905,842.20, 2,858,156.34 and 626,152.60

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Solution

The fourth proportional to 1,905,842.20, 2,858,156.34 and 626,152.60 is: 939,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,842.20 : 2,858,156.34 = 626,152.60 : x
  2. Step 2: Convert to fraction form
    1,905,842.20/2,858,156.34 = 626,152.60/x
  3. Step 3: Cross multiply
    1,905,842.20x = 2,858,156.34 × 626,152.60
  4. Step 4: Simplify right side
    1,905,842.20x = 1,789,642,023,497.48
  5. Step 5: Solve for x
    x = 1,789,642,023,497.48/1,905,842.20
  6. Step 6: Final answer
    x = 939,029.49

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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.