Home / 845,939.16-1,167,428.78-463,982.04

Finding the Fourth Proportional to 845,939.16, 1,167,428.78 and 463,982.04

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Solution

The fourth proportional to 845,939.16, 1,167,428.78 and 463,982.04 is: 640,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,939.16 : 1,167,428.78 = 463,982.04 : x
  2. Step 2: Convert to fraction form
    845,939.16/1,167,428.78 = 463,982.04/x
  3. Step 3: Cross multiply
    845,939.16x = 1,167,428.78 × 463,982.04
  4. Step 4: Simplify right side
    845,939.16x = 541,665,986,899.11
  5. Step 5: Solve for x
    x = 541,665,986,899.11/845,939.16
  6. Step 6: Final answer
    x = 640,313.17

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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.