Home / 383,161.22-528,779.04-213,395.34

Finding the Fourth Proportional to 383,161.22, 528,779.04 and 213,395.34

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Solution

The fourth proportional to 383,161.22, 528,779.04 and 213,395.34 is: 294,494.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,161.22 : 528,779.04 = 213,395.34 : x
  2. Step 2: Convert to fraction form
    383,161.22/528,779.04 = 213,395.34/x
  3. Step 3: Cross multiply
    383,161.22x = 528,779.04 × 213,395.34
  4. Step 4: Simplify right side
    383,161.22x = 112,838,984,208.36
  5. Step 5: Solve for x
    x = 112,838,984,208.36/383,161.22
  6. Step 6: Final answer
    x = 294,494.79

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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.