Home / 738,183.56-1,018,696.80-415,898.60

Finding the Fourth Proportional to 738,183.56, 1,018,696.80 and 415,898.60

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Solution

The fourth proportional to 738,183.56, 1,018,696.80 and 415,898.60 is: 573,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,183.56 : 1,018,696.80 = 415,898.60 : x
  2. Step 2: Convert to fraction form
    738,183.56/1,018,696.80 = 415,898.60/x
  3. Step 3: Cross multiply
    738,183.56x = 1,018,696.80 × 415,898.60
  4. Step 4: Simplify right side
    738,183.56x = 423,674,572,944.48
  5. Step 5: Solve for x
    x = 423,674,572,944.48/738,183.56
  6. Step 6: Final answer
    x = 573,942.03

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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.