Home / 385,014.96-577,784.88-231,270.48

Finding the Fourth Proportional to 385,014.96, 577,784.88 and 231,270.48

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Solution

The fourth proportional to 385,014.96, 577,784.88 and 231,270.48 is: 347,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,014.96 : 577,784.88 = 231,270.48 : x
  2. Step 2: Convert to fraction form
    385,014.96/577,784.88 = 231,270.48/x
  3. Step 3: Cross multiply
    385,014.96x = 577,784.88 × 231,270.48
  4. Step 4: Simplify right side
    385,014.96x = 133,624,586,534.34
  5. Step 5: Solve for x
    x = 133,624,586,534.34/385,014.96
  6. Step 6: Final answer
    x = 347,063.36

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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.