Home / 601,916.19-830,626.34-329,974.79

Finding the Fourth Proportional to 601,916.19, 830,626.34 and 329,974.79

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Solution

The fourth proportional to 601,916.19, 830,626.34 and 329,974.79 is: 455,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,916.19 : 830,626.34 = 329,974.79 : x
  2. Step 2: Convert to fraction form
    601,916.19/830,626.34 = 329,974.79/x
  3. Step 3: Cross multiply
    601,916.19x = 830,626.34 × 329,974.79
  4. Step 4: Simplify right side
    601,916.19x = 274,085,752,109.97
  5. Step 5: Solve for x
    x = 274,085,752,109.97/601,916.19
  6. Step 6: Final answer
    x = 455,355.34

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Double scale
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1.5x scale

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.