Home / 940,615.38-1,298,058.75-510,903.90

Finding the Fourth Proportional to 940,615.38, 1,298,058.75 and 510,903.90

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Solution

The fourth proportional to 940,615.38, 1,298,058.75 and 510,903.90 is: 705,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,615.38 : 1,298,058.75 = 510,903.90 : x
  2. Step 2: Convert to fraction form
    940,615.38/1,298,058.75 = 510,903.90/x
  3. Step 3: Cross multiply
    940,615.38x = 1,298,058.75 × 510,903.90
  4. Step 4: Simplify right side
    940,615.38x = 663,183,277,804.13
  5. Step 5: Solve for x
    x = 663,183,277,804.13/940,615.38
  6. Step 6: Final answer
    x = 705,052.56

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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.