Home / 688,512.60-1,032,768.90-531,048.60

Finding the Fourth Proportional to 688,512.60, 1,032,768.90 and 531,048.60

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Solution

The fourth proportional to 688,512.60, 1,032,768.90 and 531,048.60 is: 796,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,512.60 : 1,032,768.90 = 531,048.60 : x
  2. Step 2: Convert to fraction form
    688,512.60/1,032,768.90 = 531,048.60/x
  3. Step 3: Cross multiply
    688,512.60x = 1,032,768.90 × 531,048.60
  4. Step 4: Simplify right side
    688,512.60x = 548,450,478,468.54
  5. Step 5: Solve for x
    x = 548,450,478,468.54/688,512.60
  6. Step 6: Final answer
    x = 796,572.90

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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.