Home / 656,780.40-985,097.70-183,513.60

Finding the Fourth Proportional to 656,780.40, 985,097.70 and 183,513.60

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Solution

The fourth proportional to 656,780.40, 985,097.70 and 183,513.60 is: 275,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,780.40 : 985,097.70 = 183,513.60 : x
  2. Step 2: Convert to fraction form
    656,780.40/985,097.70 = 183,513.60/x
  3. Step 3: Cross multiply
    656,780.40x = 985,097.70 × 183,513.60
  4. Step 4: Simplify right side
    656,780.40x = 180,778,825,278.72
  5. Step 5: Solve for x
    x = 180,778,825,278.72/656,780.40
  6. Step 6: Final answer
    x = 275,250.03

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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.