Home / 686,837.60-1,030,256.40-188,201.60

Finding the Fourth Proportional to 686,837.60, 1,030,256.40 and 188,201.60

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Solution

The fourth proportional to 686,837.60, 1,030,256.40 and 188,201.60 is: 282,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,837.60 : 1,030,256.40 = 188,201.60 : x
  2. Step 2: Convert to fraction form
    686,837.60/1,030,256.40 = 188,201.60/x
  3. Step 3: Cross multiply
    686,837.60x = 1,030,256.40 × 188,201.60
  4. Step 4: Simplify right side
    686,837.60x = 193,895,902,890.24
  5. Step 5: Solve for x
    x = 193,895,902,890.24/686,837.60
  6. Step 6: Final answer
    x = 282,302.40

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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.