Home / 848,886-1,171,629.09-486,552.75

Finding the Fourth Proportional to 848,886, 1,171,629.09 and 486,552.75

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Solution

The fourth proportional to 848,886, 1,171,629.09 and 486,552.75 is: 671,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,886 : 1,171,629.09 = 486,552.75 : x
  2. Step 2: Convert to fraction form
    848,886/1,171,629.09 = 486,552.75/x
  3. Step 3: Cross multiply
    848,886x = 1,171,629.09 × 486,552.75
  4. Step 4: Simplify right side
    848,886x = 570,059,355,719.50
  5. Step 5: Solve for x
    x = 570,059,355,719.50/848,886
  6. Step 6: Final answer
    x = 671,538.18

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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.