Home / 898,804.36-1,348,234.14-393,105.16

Finding the Fourth Proportional to 898,804.36, 1,348,234.14 and 393,105.16

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Solution

The fourth proportional to 898,804.36, 1,348,234.14 and 393,105.16 is: 589,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,804.36 : 1,348,234.14 = 393,105.16 : x
  2. Step 2: Convert to fraction form
    898,804.36/1,348,234.14 = 393,105.16/x
  3. Step 3: Cross multiply
    898,804.36x = 1,348,234.14 × 393,105.16
  4. Step 4: Simplify right side
    898,804.36x = 529,997,797,322.16
  5. Step 5: Solve for x
    x = 529,997,797,322.16/898,804.36
  6. Step 6: Final answer
    x = 589,669.81

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Double scale
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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.