Home / 554,131.25-831,196.86-427,955.52

Finding the Fourth Proportional to 554,131.25, 831,196.86 and 427,955.52

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Solution

The fourth proportional to 554,131.25, 831,196.86 and 427,955.52 is: 641,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,131.25 : 831,196.86 = 427,955.52 : x
  2. Step 2: Convert to fraction form
    554,131.25/831,196.86 = 427,955.52/x
  3. Step 3: Cross multiply
    554,131.25x = 831,196.86 × 427,955.52
  4. Step 4: Simplify right side
    554,131.25x = 355,715,284,443.67
  5. Step 5: Solve for x
    x = 355,715,284,443.67/554,131.25
  6. Step 6: Final answer
    x = 641,933.27

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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.