Home / 382,984.68-528,509.32-210,901.29

Finding the Fourth Proportional to 382,984.68, 528,509.32 and 210,901.29

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Solution

The fourth proportional to 382,984.68, 528,509.32 and 210,901.29 is: 291,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,984.68 : 528,509.32 = 210,901.29 : x
  2. Step 2: Convert to fraction form
    382,984.68/528,509.32 = 210,901.29/x
  3. Step 3: Cross multiply
    382,984.68x = 528,509.32 × 210,901.29
  4. Step 4: Simplify right side
    382,984.68x = 111,463,297,365.02
  5. Step 5: Solve for x
    x = 111,463,297,365.02/382,984.68
  6. Step 6: Final answer
    x = 291,038.53

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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.