Home / 872,090.58-1,203,584.76-484,944.60

Finding the Fourth Proportional to 872,090.58, 1,203,584.76 and 484,944.60

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Solution

The fourth proportional to 872,090.58, 1,203,584.76 and 484,944.60 is: 669,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,090.58 : 1,203,584.76 = 484,944.60 : x
  2. Step 2: Convert to fraction form
    872,090.58/1,203,584.76 = 484,944.60/x
  3. Step 3: Cross multiply
    872,090.58x = 1,203,584.76 × 484,944.60
  4. Step 4: Simplify right side
    872,090.58x = 583,671,930,004.30
  5. Step 5: Solve for x
    x = 583,671,930,004.30/872,090.58
  6. Step 6: Final answer
    x = 669,279.02

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Half scale
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Double scale
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Similar ratio
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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.