Home / 460,528.38-690,885.72-194,289.48

Finding the Fourth Proportional to 460,528.38, 690,885.72 and 194,289.48

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Solution

The fourth proportional to 460,528.38, 690,885.72 and 194,289.48 is: 291,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,528.38 : 690,885.72 = 194,289.48 : x
  2. Step 2: Convert to fraction form
    460,528.38/690,885.72 = 194,289.48/x
  3. Step 3: Cross multiply
    460,528.38x = 690,885.72 × 194,289.48
  4. Step 4: Simplify right side
    460,528.38x = 134,231,827,278.23
  5. Step 5: Solve for x
    x = 134,231,827,278.23/460,528.38
  6. Step 6: Final answer
    x = 291,473.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.