Home / 405,927.30-560,188.81-262,936.23

Finding the Fourth Proportional to 405,927.30, 560,188.81 and 262,936.23

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Solution

The fourth proportional to 405,927.30, 560,188.81 and 262,936.23 is: 362,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,927.30 : 560,188.81 = 262,936.23 : x
  2. Step 2: Convert to fraction form
    405,927.30/560,188.81 = 262,936.23/x
  3. Step 3: Cross multiply
    405,927.30x = 560,188.81 × 262,936.23
  4. Step 4: Simplify right side
    405,927.30x = 147,293,932,017.55
  5. Step 5: Solve for x
    x = 147,293,932,017.55/405,927.30
  6. Step 6: Final answer
    x = 362,857.91

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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.