Home / 848,515.04-1,171,128.84-538,217

Finding the Fourth Proportional to 848,515.04, 1,171,128.84 and 538,217

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Solution

The fourth proportional to 848,515.04, 1,171,128.84 and 538,217 is: 742,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,515.04 : 1,171,128.84 = 538,217 : x
  2. Step 2: Convert to fraction form
    848,515.04/1,171,128.84 = 538,217/x
  3. Step 3: Cross multiply
    848,515.04x = 1,171,128.84 × 538,217
  4. Step 4: Simplify right side
    848,515.04x = 630,321,450,878.28
  5. Step 5: Solve for x
    x = 630,321,450,878.28/848,515.04
  6. Step 6: Final answer
    x = 742,852.42

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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.