Home / 688,984.49-1,033,409.91-209,216.44

Finding the Fourth Proportional to 688,984.49, 1,033,409.91 and 209,216.44

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Solution

The fourth proportional to 688,984.49, 1,033,409.91 and 209,216.44 is: 313,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,984.49 : 1,033,409.91 = 209,216.44 : x
  2. Step 2: Convert to fraction form
    688,984.49/1,033,409.91 = 209,216.44/x
  3. Step 3: Cross multiply
    688,984.49x = 1,033,409.91 × 209,216.44
  4. Step 4: Simplify right side
    688,984.49x = 216,206,342,430.92
  5. Step 5: Solve for x
    x = 216,206,342,430.92/688,984.49
  6. Step 6: Final answer
    x = 313,804.37

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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.