Home / 864,476.30-1,192,928.76-482,527.68

Finding the Fourth Proportional to 864,476.30, 1,192,928.76 and 482,527.68

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Solution

The fourth proportional to 864,476.30, 1,192,928.76 and 482,527.68 is: 665,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,476.30 : 1,192,928.76 = 482,527.68 : x
  2. Step 2: Convert to fraction form
    864,476.30/1,192,928.76 = 482,527.68/x
  3. Step 3: Cross multiply
    864,476.30x = 1,192,928.76 × 482,527.68
  4. Step 4: Simplify right side
    864,476.30x = 575,621,146,968.08
  5. Step 5: Solve for x
    x = 575,621,146,968.08/864,476.30
  6. Step 6: Final answer
    x = 665,861.11

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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.