Home / 1,207,548.37-1,666,434-663,734.44

Finding the Fourth Proportional to 1,207,548.37, 1,666,434 and 663,734.44

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Solution

The fourth proportional to 1,207,548.37, 1,666,434 and 663,734.44 is: 915,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,548.37 : 1,666,434 = 663,734.44 : x
  2. Step 2: Convert to fraction form
    1,207,548.37/1,666,434 = 663,734.44/x
  3. Step 3: Cross multiply
    1,207,548.37x = 1,666,434 × 663,734.44
  4. Step 4: Simplify right side
    1,207,548.37x = 1,106,069,637,786.96
  5. Step 5: Solve for x
    x = 1,106,069,637,786.96/1,207,548.37
  6. Step 6: Final answer
    x = 915,963.01

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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.