Home / 453,032.40-625,862.60-298,351.28

Finding the Fourth Proportional to 453,032.40, 625,862.60 and 298,351.28

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Solution

The fourth proportional to 453,032.40, 625,862.60 and 298,351.28 is: 412,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,032.40 : 625,862.60 = 298,351.28 : x
  2. Step 2: Convert to fraction form
    453,032.40/625,862.60 = 298,351.28/x
  3. Step 3: Cross multiply
    453,032.40x = 625,862.60 × 298,351.28
  4. Step 4: Simplify right side
    453,032.40x = 186,726,907,814.13
  5. Step 5: Solve for x
    x = 186,726,907,814.13/453,032.40
  6. Step 6: Final answer
    x = 412,171.20

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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.