Home / 583,917.60-875,905.20-303,981.60

Finding the Fourth Proportional to 583,917.60, 875,905.20 and 303,981.60

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Solution

The fourth proportional to 583,917.60, 875,905.20 and 303,981.60 is: 455,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,917.60 : 875,905.20 = 303,981.60 : x
  2. Step 2: Convert to fraction form
    583,917.60/875,905.20 = 303,981.60/x
  3. Step 3: Cross multiply
    583,917.60x = 875,905.20 × 303,981.60
  4. Step 4: Simplify right side
    583,917.60x = 266,259,064,144.32
  5. Step 5: Solve for x
    x = 266,259,064,144.32/583,917.60
  6. Step 6: Final answer
    x = 455,987.39

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.