Home / 1,315,600.45-1,815,528.62-711,988.45

Finding the Fourth Proportional to 1,315,600.45, 1,815,528.62 and 711,988.45

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Solution

The fourth proportional to 1,315,600.45, 1,815,528.62 and 711,988.45 is: 982,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,600.45 : 1,815,528.62 = 711,988.45 : x
  2. Step 2: Convert to fraction form
    1,315,600.45/1,815,528.62 = 711,988.45/x
  3. Step 3: Cross multiply
    1,315,600.45x = 1,815,528.62 × 711,988.45
  4. Step 4: Simplify right side
    1,315,600.45x = 1,292,635,405,325.59
  5. Step 5: Solve for x
    x = 1,292,635,405,325.59/1,315,600.45
  6. Step 6: Final answer
    x = 982,544.06

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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.