Home / 682,886.40-1,025,251.20-434,054.40

Finding the Fourth Proportional to 682,886.40, 1,025,251.20 and 434,054.40

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Solution

The fourth proportional to 682,886.40, 1,025,251.20 and 434,054.40 is: 651,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,886.40 : 1,025,251.20 = 434,054.40 : x
  2. Step 2: Convert to fraction form
    682,886.40/1,025,251.20 = 434,054.40/x
  3. Step 3: Cross multiply
    682,886.40x = 1,025,251.20 × 434,054.40
  4. Step 4: Simplify right side
    682,886.40x = 445,014,794,465.28
  5. Step 5: Solve for x
    x = 445,014,794,465.28/682,886.40
  6. Step 6: Final answer
    x = 651,667.38

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1.5x scale

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.