Home / 847,380.16-1,271,113.98-216,299.44

Finding the Fourth Proportional to 847,380.16, 1,271,113.98 and 216,299.44

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Solution

The fourth proportional to 847,380.16, 1,271,113.98 and 216,299.44 is: 324,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,380.16 : 1,271,113.98 = 216,299.44 : x
  2. Step 2: Convert to fraction form
    847,380.16/1,271,113.98 = 216,299.44/x
  3. Step 3: Cross multiply
    847,380.16x = 1,271,113.98 × 216,299.44
  4. Step 4: Simplify right side
    847,380.16x = 274,941,242,050.17
  5. Step 5: Solve for x
    x = 274,941,242,050.17/847,380.16
  6. Step 6: Final answer
    x = 324,460.32

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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.