Home / 428,852.14-591,816.28-237,866.90

Finding the Fourth Proportional to 428,852.14, 591,816.28 and 237,866.90

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Solution

The fourth proportional to 428,852.14, 591,816.28 and 237,866.90 is: 328,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,852.14 : 591,816.28 = 237,866.90 : x
  2. Step 2: Convert to fraction form
    428,852.14/591,816.28 = 237,866.90/x
  3. Step 3: Cross multiply
    428,852.14x = 591,816.28 × 237,866.90
  4. Step 4: Simplify right side
    428,852.14x = 140,773,503,893.13
  5. Step 5: Solve for x
    x = 140,773,503,893.13/428,852.14
  6. Step 6: Final answer
    x = 328,256.50

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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.