Home / 1,287,347.08-1,776,622.26-714,388.36

Finding the Fourth Proportional to 1,287,347.08, 1,776,622.26 and 714,388.36

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Solution

The fourth proportional to 1,287,347.08, 1,776,622.26 and 714,388.36 is: 985,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,347.08 : 1,776,622.26 = 714,388.36 : x
  2. Step 2: Convert to fraction form
    1,287,347.08/1,776,622.26 = 714,388.36/x
  3. Step 3: Cross multiply
    1,287,347.08x = 1,776,622.26 × 714,388.36
  4. Step 4: Simplify right side
    1,287,347.08x = 1,269,198,262,660.89
  5. Step 5: Solve for x
    x = 1,269,198,262,660.89/1,287,347.08
  6. Step 6: Final answer
    x = 985,902.16

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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.