Home / 428,369.97-591,154.10-237,386.55

Finding the Fourth Proportional to 428,369.97, 591,154.10 and 237,386.55

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Solution

The fourth proportional to 428,369.97, 591,154.10 and 237,386.55 is: 327,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,369.97 : 591,154.10 = 237,386.55 : x
  2. Step 2: Convert to fraction form
    428,369.97/591,154.10 = 237,386.55/x
  3. Step 3: Cross multiply
    428,369.97x = 591,154.10 × 237,386.55
  4. Step 4: Simplify right side
    428,369.97x = 140,332,032,317.36
  5. Step 5: Solve for x
    x = 140,332,032,317.36/428,369.97
  6. Step 6: Final answer
    x = 327,595.40

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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.