Home / 1,207,968.36-1,666,953.86-664,100.24

Finding the Fourth Proportional to 1,207,968.36, 1,666,953.86 and 664,100.24

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Solution

The fourth proportional to 1,207,968.36, 1,666,953.86 and 664,100.24 is: 916,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,968.36 : 1,666,953.86 = 664,100.24 : x
  2. Step 2: Convert to fraction form
    1,207,968.36/1,666,953.86 = 664,100.24/x
  3. Step 3: Cross multiply
    1,207,968.36x = 1,666,953.86 × 664,100.24
  4. Step 4: Simplify right side
    1,207,968.36x = 1,107,024,458,494.93
  5. Step 5: Solve for x
    x = 1,107,024,458,494.93/1,207,968.36
  6. Step 6: Final answer
    x = 916,434.98

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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.