Home / 616,971.40-851,414.46-345,036.16

Finding the Fourth Proportional to 616,971.40, 851,414.46 and 345,036.16

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Solution

The fourth proportional to 616,971.40, 851,414.46 and 345,036.16 is: 476,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,971.40 : 851,414.46 = 345,036.16 : x
  2. Step 2: Convert to fraction form
    616,971.40/851,414.46 = 345,036.16/x
  3. Step 3: Cross multiply
    616,971.40x = 851,414.46 × 345,036.16
  4. Step 4: Simplify right side
    616,971.40x = 293,768,775,846.87
  5. Step 5: Solve for x
    x = 293,768,775,846.87/616,971.40
  6. Step 6: Final answer
    x = 476,146.51

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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.