Home / 1,683,279.20-2,527,251.60-1,328,693.60

Finding the Fourth Proportional to 1,683,279.20, 2,527,251.60 and 1,328,693.60

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Solution

The fourth proportional to 1,683,279.20, 2,527,251.60 and 1,328,693.60 is: 1,994,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,279.20 : 2,527,251.60 = 1,328,693.60 : x
  2. Step 2: Convert to fraction form
    1,683,279.20/2,527,251.60 = 1,328,693.60/x
  3. Step 3: Cross multiply
    1,683,279.20x = 2,527,251.60 × 1,328,693.60
  4. Step 4: Simplify right side
    1,683,279.20x = 3,357,943,026,509.76
  5. Step 5: Solve for x
    x = 3,357,943,026,509.76/1,683,279.20
  6. Step 6: Final answer
    x = 1,994,881.79

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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.