Home / 525,767.90-725,560.03-284,050.36

Finding the Fourth Proportional to 525,767.90, 725,560.03 and 284,050.36

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Solution

The fourth proportional to 525,767.90, 725,560.03 and 284,050.36 is: 391,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,767.90 : 725,560.03 = 284,050.36 : x
  2. Step 2: Convert to fraction form
    525,767.90/725,560.03 = 284,050.36/x
  3. Step 3: Cross multiply
    525,767.90x = 725,560.03 × 284,050.36
  4. Step 4: Simplify right side
    525,767.90x = 206,095,588,985.12
  5. Step 5: Solve for x
    x = 206,095,588,985.12/525,767.90
  6. Step 6: Final answer
    x = 391,989.68

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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.