Home / 398,823.09-598,347.67-162,335.49

Finding the Fourth Proportional to 398,823.09, 598,347.67 and 162,335.49

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Solution

The fourth proportional to 398,823.09, 598,347.67 and 162,335.49 is: 243,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,823.09 : 598,347.67 = 162,335.49 : x
  2. Step 2: Convert to fraction form
    398,823.09/598,347.67 = 162,335.49/x
  3. Step 3: Cross multiply
    398,823.09x = 598,347.67 × 162,335.49
  4. Step 4: Simplify right side
    398,823.09x = 97,133,062,199.81
  5. Step 5: Solve for x
    x = 97,133,062,199.81/398,823.09
  6. Step 6: Final answer
    x = 243,549.24

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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.