Home / 1,282,975.10-1,770,561.21-710,015.46

Finding the Fourth Proportional to 1,282,975.10, 1,770,561.21 and 710,015.46

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Solution

The fourth proportional to 1,282,975.10, 1,770,561.21 and 710,015.46 is: 979,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,975.10 : 1,770,561.21 = 710,015.46 : x
  2. Step 2: Convert to fraction form
    1,282,975.10/1,770,561.21 = 710,015.46/x
  3. Step 3: Cross multiply
    1,282,975.10x = 1,770,561.21 × 710,015.46
  4. Step 4: Simplify right side
    1,282,975.10x = 1,257,125,831,976.31
  5. Step 5: Solve for x
    x = 1,257,125,831,976.31/1,282,975.10
  6. Step 6: Final answer
    x = 979,852.09

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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.