Home / 584,021.28-805,938.72-329,372.64

Finding the Fourth Proportional to 584,021.28, 805,938.72 and 329,372.64

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Solution

The fourth proportional to 584,021.28, 805,938.72 and 329,372.64 is: 454,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,021.28 : 805,938.72 = 329,372.64 : x
  2. Step 2: Convert to fraction form
    584,021.28/805,938.72 = 329,372.64/x
  3. Step 3: Cross multiply
    584,021.28x = 805,938.72 × 329,372.64
  4. Step 4: Simplify right side
    584,021.28x = 265,454,163,884.62
  5. Step 5: Solve for x
    x = 265,454,163,884.62/584,021.28
  6. Step 6: Final answer
    x = 454,528.24

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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.