Home / 984,576.92-1,356,861.27-712,182.88

Finding the Fourth Proportional to 984,576.92, 1,356,861.27 and 712,182.88

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Solution

The fourth proportional to 984,576.92, 1,356,861.27 and 712,182.88 is: 981,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,576.92 : 1,356,861.27 = 712,182.88 : x
  2. Step 2: Convert to fraction form
    984,576.92/1,356,861.27 = 712,182.88/x
  3. Step 3: Cross multiply
    984,576.92x = 1,356,861.27 × 712,182.88
  4. Step 4: Simplify right side
    984,576.92x = 966,333,371,395.82
  5. Step 5: Solve for x
    x = 966,333,371,395.82/984,576.92
  6. Step 6: Final answer
    x = 981,470.67

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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.