Home / 1,207,955-1,666,935.43-664,086.83

Finding the Fourth Proportional to 1,207,955, 1,666,935.43 and 664,086.83

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Solution

The fourth proportional to 1,207,955, 1,666,935.43 and 664,086.83 is: 916,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,955 : 1,666,935.43 = 664,086.83 : x
  2. Step 2: Convert to fraction form
    1,207,955/1,666,935.43 = 664,086.83/x
  3. Step 3: Cross multiply
    1,207,955x = 1,666,935.43 × 664,086.83
  4. Step 4: Simplify right side
    1,207,955x = 1,106,989,865,523.39
  5. Step 5: Solve for x
    x = 1,106,989,865,523.39/1,207,955
  6. Step 6: Final answer
    x = 916,416.48

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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.