Home / 316,936.48-437,120.40-269,347.36

Finding the Fourth Proportional to 316,936.48, 437,120.40 and 269,347.36

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Solution

The fourth proportional to 316,936.48, 437,120.40 and 269,347.36 is: 371,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,936.48 : 437,120.40 = 269,347.36 : x
  2. Step 2: Convert to fraction form
    316,936.48/437,120.40 = 269,347.36/x
  3. Step 3: Cross multiply
    316,936.48x = 437,120.40 × 269,347.36
  4. Step 4: Simplify right side
    316,936.48x = 117,737,225,742.14
  5. Step 5: Solve for x
    x = 117,737,225,742.14/316,936.48
  6. Step 6: Final answer
    x = 371,485.24

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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.