Home / 428,854.34-591,889.84-237,929.24

Finding the Fourth Proportional to 428,854.34, 591,889.84 and 237,929.24

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Solution

The fourth proportional to 428,854.34, 591,889.84 and 237,929.24 is: 328,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,854.34 : 591,889.84 = 237,929.24 : x
  2. Step 2: Convert to fraction form
    428,854.34/591,889.84 = 237,929.24/x
  3. Step 3: Cross multiply
    428,854.34x = 591,889.84 × 237,929.24
  4. Step 4: Simplify right side
    428,854.34x = 140,827,899,794.92
  5. Step 5: Solve for x
    x = 140,827,899,794.92/428,854.34
  6. Step 6: Final answer
    x = 328,381.66

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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.