Home / 1,328,550.60-1,993,159.66-381,923

Finding the Fourth Proportional to 1,328,550.60, 1,993,159.66 and 381,923

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Solution

The fourth proportional to 1,328,550.60, 1,993,159.66 and 381,923 is: 572,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,550.60 : 1,993,159.66 = 381,923 : x
  2. Step 2: Convert to fraction form
    1,328,550.60/1,993,159.66 = 381,923/x
  3. Step 3: Cross multiply
    1,328,550.60x = 1,993,159.66 × 381,923
  4. Step 4: Simplify right side
    1,328,550.60x = 761,233,516,826.18
  5. Step 5: Solve for x
    x = 761,233,516,826.18/1,328,550.60
  6. Step 6: Final answer
    x = 572,980.45

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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.