Home / 778,258.31-1,073,993.68-434,093.96

Finding the Fourth Proportional to 778,258.31, 1,073,993.68 and 434,093.96

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Solution

The fourth proportional to 778,258.31, 1,073,993.68 and 434,093.96 is: 599,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,258.31 : 1,073,993.68 = 434,093.96 : x
  2. Step 2: Convert to fraction form
    778,258.31/1,073,993.68 = 434,093.96/x
  3. Step 3: Cross multiply
    778,258.31x = 1,073,993.68 × 434,093.96
  4. Step 4: Simplify right side
    778,258.31x = 466,214,169,566.17
  5. Step 5: Solve for x
    x = 466,214,169,566.17/778,258.31
  6. Step 6: Final answer
    x = 599,048.11

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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.