Home / 848,127.78-1,170,483.21-485,665.74

Finding the Fourth Proportional to 848,127.78, 1,170,483.21 and 485,665.74

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Solution

The fourth proportional to 848,127.78, 1,170,483.21 and 485,665.74 is: 670,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,127.78 : 1,170,483.21 = 485,665.74 : x
  2. Step 2: Convert to fraction form
    848,127.78/1,170,483.21 = 485,665.74/x
  3. Step 3: Cross multiply
    848,127.78x = 1,170,483.21 × 485,665.74
  4. Step 4: Simplify right side
    848,127.78x = 568,463,594,342.23
  5. Step 5: Solve for x
    x = 568,463,594,342.23/848,127.78
  6. Step 6: Final answer
    x = 670,257.02

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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.