Home / 428,853.34-591,888.45-237,928.24

Finding the Fourth Proportional to 428,853.34, 591,888.45 and 237,928.24

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Solution

The fourth proportional to 428,853.34, 591,888.45 and 237,928.24 is: 328,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,853.34 : 591,888.45 = 237,928.24 : x
  2. Step 2: Convert to fraction form
    428,853.34/591,888.45 = 237,928.24/x
  3. Step 3: Cross multiply
    428,853.34x = 591,888.45 × 237,928.24
  4. Step 4: Simplify right side
    428,853.34x = 140,826,977,184.83
  5. Step 5: Solve for x
    x = 140,826,977,184.83/428,853.34
  6. Step 6: Final answer
    x = 328,380.27

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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.