Home / 879,544.12-1,213,773.22-477,136.12

Finding the Fourth Proportional to 879,544.12, 1,213,773.22 and 477,136.12

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Solution

The fourth proportional to 879,544.12, 1,213,773.22 and 477,136.12 is: 658,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,544.12 : 1,213,773.22 = 477,136.12 : x
  2. Step 2: Convert to fraction form
    879,544.12/1,213,773.22 = 477,136.12/x
  3. Step 3: Cross multiply
    879,544.12x = 1,213,773.22 × 477,136.12
  4. Step 4: Simplify right side
    879,544.12x = 579,135,044,750.71
  5. Step 5: Solve for x
    x = 579,135,044,750.71/879,544.12
  6. Step 6: Final answer
    x = 658,449.11

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Double scale
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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.