Home / 1,292,085.60-1,935,795.60-1,208,104.80

Finding the Fourth Proportional to 1,292,085.60, 1,935,795.60 and 1,208,104.80

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Solution

The fourth proportional to 1,292,085.60, 1,935,795.60 and 1,208,104.80 is: 1,809,976.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,085.60 : 1,935,795.60 = 1,208,104.80 : x
  2. Step 2: Convert to fraction form
    1,292,085.60/1,935,795.60 = 1,208,104.80/x
  3. Step 3: Cross multiply
    1,292,085.60x = 1,935,795.60 × 1,208,104.80
  4. Step 4: Simplify right side
    1,292,085.60x = 2,338,643,956,178.88
  5. Step 5: Solve for x
    x = 2,338,643,956,178.88/1,292,085.60
  6. Step 6: Final answer
    x = 1,809,976.02

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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.