Home / 383,283.36-528,924.06-213,513.84

Finding the Fourth Proportional to 383,283.36, 528,924.06 and 213,513.84

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Solution

The fourth proportional to 383,283.36, 528,924.06 and 213,513.84 is: 294,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,283.36 : 528,924.06 = 213,513.84 : x
  2. Step 2: Convert to fraction form
    383,283.36/528,924.06 = 213,513.84/x
  3. Step 3: Cross multiply
    383,283.36x = 528,924.06 × 213,513.84
  4. Step 4: Simplify right side
    383,283.36x = 112,932,607,118.99
  5. Step 5: Solve for x
    x = 112,932,607,118.99/383,283.36
  6. Step 6: Final answer
    x = 294,645.21

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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.