Home / 899,452.08-1,239,136.20-627,024.96

Finding the Fourth Proportional to 899,452.08, 1,239,136.20 and 627,024.96

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Solution

The fourth proportional to 899,452.08, 1,239,136.20 and 627,024.96 is: 863,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,452.08 : 1,239,136.20 = 627,024.96 : x
  2. Step 2: Convert to fraction form
    899,452.08/1,239,136.20 = 627,024.96/x
  3. Step 3: Cross multiply
    899,452.08x = 1,239,136.20 × 627,024.96
  4. Step 4: Simplify right side
    899,452.08x = 776,969,326,239.55
  5. Step 5: Solve for x
    x = 776,969,326,239.55/899,452.08
  6. Step 6: Final answer
    x = 863,825.15

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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.