Home / 682,834.70-1,024,871.70-346,109.60

Finding the Fourth Proportional to 682,834.70, 1,024,871.70 and 346,109.60

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Solution

The fourth proportional to 682,834.70, 1,024,871.70 and 346,109.60 is: 519,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,834.70 : 1,024,871.70 = 346,109.60 : x
  2. Step 2: Convert to fraction form
    682,834.70/1,024,871.70 = 346,109.60/x
  3. Step 3: Cross multiply
    682,834.70x = 1,024,871.70 × 346,109.60
  4. Step 4: Simplify right side
    682,834.70x = 354,717,934,138.32
  5. Step 5: Solve for x
    x = 354,717,934,138.32/682,834.70
  6. Step 6: Final answer
    x = 519,478.48

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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.