Home / 1,207,772.25-1,666,725.71-698,507.43

Finding the Fourth Proportional to 1,207,772.25, 1,666,725.71 and 698,507.43

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Solution

The fourth proportional to 1,207,772.25, 1,666,725.71 and 698,507.43 is: 963,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,772.25 : 1,666,725.71 = 698,507.43 : x
  2. Step 2: Convert to fraction form
    1,207,772.25/1,666,725.71 = 698,507.43/x
  3. Step 3: Cross multiply
    1,207,772.25x = 1,666,725.71 × 698,507.43
  4. Step 4: Simplify right side
    1,207,772.25x = 1,164,220,288,714.49
  5. Step 5: Solve for x
    x = 1,164,220,288,714.49/1,207,772.25
  6. Step 6: Final answer
    x = 963,940.25

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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.