Home / 1,230,338.31-1,697,907.42-714,053.22

Finding the Fourth Proportional to 1,230,338.31, 1,697,907.42 and 714,053.22

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Solution

The fourth proportional to 1,230,338.31, 1,697,907.42 and 714,053.22 is: 985,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,338.31 : 1,697,907.42 = 714,053.22 : x
  2. Step 2: Convert to fraction form
    1,230,338.31/1,697,907.42 = 714,053.22/x
  3. Step 3: Cross multiply
    1,230,338.31x = 1,697,907.42 × 714,053.22
  4. Step 4: Simplify right side
    1,230,338.31x = 1,212,396,260,512.89
  5. Step 5: Solve for x
    x = 1,212,396,260,512.89/1,230,338.31
  6. Step 6: Final answer
    x = 985,416.98

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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.