Home / 877,438.08-1,210,889.39-495,522.27

Finding the Fourth Proportional to 877,438.08, 1,210,889.39 and 495,522.27

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Solution

The fourth proportional to 877,438.08, 1,210,889.39 and 495,522.27 is: 683,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,438.08 : 1,210,889.39 = 495,522.27 : x
  2. Step 2: Convert to fraction form
    877,438.08/1,210,889.39 = 495,522.27/x
  3. Step 3: Cross multiply
    877,438.08x = 1,210,889.39 × 495,522.27
  4. Step 4: Simplify right side
    877,438.08x = 600,022,659,251.72
  5. Step 5: Solve for x
    x = 600,022,659,251.72/877,438.08
  6. Step 6: Final answer
    x = 683,834.76

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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.