Home / 1,259,945.60-1,889,925.93-313,316.33

Finding the Fourth Proportional to 1,259,945.60, 1,889,925.93 and 313,316.33

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Solution

The fourth proportional to 1,259,945.60, 1,889,925.93 and 313,316.33 is: 469,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,945.60 : 1,889,925.93 = 313,316.33 : x
  2. Step 2: Convert to fraction form
    1,259,945.60/1,889,925.93 = 313,316.33/x
  3. Step 3: Cross multiply
    1,259,945.60x = 1,889,925.93 × 313,316.33
  4. Step 4: Simplify right side
    1,259,945.60x = 592,144,656,359.44
  5. Step 5: Solve for x
    x = 592,144,656,359.44/1,259,945.60
  6. Step 6: Final answer
    x = 469,976.37

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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.