Home / 350,816.80-525,966-291,408.16

Finding the Fourth Proportional to 350,816.80, 525,966 and 291,408.16

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Solution

The fourth proportional to 350,816.80, 525,966 and 291,408.16 is: 436,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,816.80 : 525,966 = 291,408.16 : x
  2. Step 2: Convert to fraction form
    350,816.80/525,966 = 291,408.16/x
  3. Step 3: Cross multiply
    350,816.80x = 525,966 × 291,408.16
  4. Step 4: Simplify right side
    350,816.80x = 153,270,784,282.56
  5. Step 5: Solve for x
    x = 153,270,784,282.56/350,816.80
  6. Step 6: Final answer
    x = 436,896.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.