Home / 854,498.88-1,281,821.12-223,411.68

Finding the Fourth Proportional to 854,498.88, 1,281,821.12 and 223,411.68

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Solution

The fourth proportional to 854,498.88, 1,281,821.12 and 223,411.68 is: 335,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,498.88 : 1,281,821.12 = 223,411.68 : x
  2. Step 2: Convert to fraction form
    854,498.88/1,281,821.12 = 223,411.68/x
  3. Step 3: Cross multiply
    854,498.88x = 1,281,821.12 × 223,411.68
  4. Step 4: Simplify right side
    854,498.88x = 286,373,809,878.68
  5. Step 5: Solve for x
    x = 286,373,809,878.68/854,498.88
  6. Step 6: Final answer
    x = 335,136.55

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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.