Home / 383,333.04-528,999.76-213,578.24

Finding the Fourth Proportional to 383,333.04, 528,999.76 and 213,578.24

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Solution

The fourth proportional to 383,333.04, 528,999.76 and 213,578.24 is: 294,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,333.04 : 528,999.76 = 213,578.24 : x
  2. Step 2: Convert to fraction form
    383,333.04/528,999.76 = 213,578.24/x
  3. Step 3: Cross multiply
    383,333.04x = 528,999.76 × 213,578.24
  4. Step 4: Simplify right side
    383,333.04x = 112,982,837,701.22
  5. Step 5: Solve for x
    x = 112,982,837,701.22/383,333.04
  6. Step 6: Final answer
    x = 294,738.06

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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.