Home / 877,074.24-1,315,611.45-212,226.24

Finding the Fourth Proportional to 877,074.24, 1,315,611.45 and 212,226.24

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Solution

The fourth proportional to 877,074.24, 1,315,611.45 and 212,226.24 is: 318,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,074.24 : 1,315,611.45 = 212,226.24 : x
  2. Step 2: Convert to fraction form
    877,074.24/1,315,611.45 = 212,226.24/x
  3. Step 3: Cross multiply
    877,074.24x = 1,315,611.45 × 212,226.24
  4. Step 4: Simplify right side
    877,074.24x = 279,207,271,334.45
  5. Step 5: Solve for x
    x = 279,207,271,334.45/877,074.24
  6. Step 6: Final answer
    x = 318,339.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.