Home / 500,527.74-690,851.88-285,792.36

Finding the Fourth Proportional to 500,527.74, 690,851.88 and 285,792.36

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Solution

The fourth proportional to 500,527.74, 690,851.88 and 285,792.36 is: 394,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,527.74 : 690,851.88 = 285,792.36 : x
  2. Step 2: Convert to fraction form
    500,527.74/690,851.88 = 285,792.36/x
  3. Step 3: Cross multiply
    500,527.74x = 690,851.88 × 285,792.36
  4. Step 4: Simplify right side
    500,527.74x = 197,440,189,195.64
  5. Step 5: Solve for x
    x = 197,440,189,195.64/500,527.74
  6. Step 6: Final answer
    x = 394,464.03

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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.