Home / 882,654.37-1,218,190.32-490,276.83

Finding the Fourth Proportional to 882,654.37, 1,218,190.32 and 490,276.83

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Solution

The fourth proportional to 882,654.37, 1,218,190.32 and 490,276.83 is: 676,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,654.37 : 1,218,190.32 = 490,276.83 : x
  2. Step 2: Convert to fraction form
    882,654.37/1,218,190.32 = 490,276.83/x
  3. Step 3: Cross multiply
    882,654.37x = 1,218,190.32 × 490,276.83
  4. Step 4: Simplify right side
    882,654.37x = 597,250,492,994.50
  5. Step 5: Solve for x
    x = 597,250,492,994.50/882,654.37
  6. Step 6: Final answer
    x = 676,652.74

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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.