Home / 821,594.27-1,133,605.78-477,225.57

Finding the Fourth Proportional to 821,594.27, 1,133,605.78 and 477,225.57

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Solution

The fourth proportional to 821,594.27, 1,133,605.78 and 477,225.57 is: 658,458.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,594.27 : 1,133,605.78 = 477,225.57 : x
  2. Step 2: Convert to fraction form
    821,594.27/1,133,605.78 = 477,225.57/x
  3. Step 3: Cross multiply
    821,594.27x = 1,133,605.78 × 477,225.57
  4. Step 4: Simplify right side
    821,594.27x = 540,985,664,515.80
  5. Step 5: Solve for x
    x = 540,985,664,515.80/821,594.27
  6. Step 6: Final answer
    x = 658,458.42

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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.