Home / 1,123,098.60-1,685,231.10-492,076.20

Finding the Fourth Proportional to 1,123,098.60, 1,685,231.10 and 492,076.20

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Solution

The fourth proportional to 1,123,098.60, 1,685,231.10 and 492,076.20 is: 738,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,098.60 : 1,685,231.10 = 492,076.20 : x
  2. Step 2: Convert to fraction form
    1,123,098.60/1,685,231.10 = 492,076.20/x
  3. Step 3: Cross multiply
    1,123,098.60x = 1,685,231.10 × 492,076.20
  4. Step 4: Simplify right side
    1,123,098.60x = 829,262,115,809.82
  5. Step 5: Solve for x
    x = 829,262,115,809.82/1,123,098.60
  6. Step 6: Final answer
    x = 738,369.82

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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.