Home / 1,148,911.36-1,585,560.48-639,602.56

Finding the Fourth Proportional to 1,148,911.36, 1,585,560.48 and 639,602.56

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Solution

The fourth proportional to 1,148,911.36, 1,585,560.48 and 639,602.56 is: 882,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,911.36 : 1,585,560.48 = 639,602.56 : x
  2. Step 2: Convert to fraction form
    1,148,911.36/1,585,560.48 = 639,602.56/x
  3. Step 3: Cross multiply
    1,148,911.36x = 1,585,560.48 × 639,602.56
  4. Step 4: Simplify right side
    1,148,911.36x = 1,014,128,542,042.83
  5. Step 5: Solve for x
    x = 1,014,128,542,042.83/1,148,911.36
  6. Step 6: Final answer
    x = 882,686.50

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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.