Home / 1,184,939.62-1,635,258.74-668,819.20

Finding the Fourth Proportional to 1,184,939.62, 1,635,258.74 and 668,819.20

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Solution

The fourth proportional to 1,184,939.62, 1,635,258.74 and 668,819.20 is: 922,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,939.62 : 1,635,258.74 = 668,819.20 : x
  2. Step 2: Convert to fraction form
    1,184,939.62/1,635,258.74 = 668,819.20/x
  3. Step 3: Cross multiply
    1,184,939.62x = 1,635,258.74 × 668,819.20
  4. Step 4: Simplify right side
    1,184,939.62x = 1,093,692,442,279.81
  5. Step 5: Solve for x
    x = 1,093,692,442,279.81/1,184,939.62
  6. Step 6: Final answer
    x = 922,994.24

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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.