Home / 1,207,957-1,666,938.20-664,088.84

Finding the Fourth Proportional to 1,207,957, 1,666,938.20 and 664,088.84

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Solution

The fourth proportional to 1,207,957, 1,666,938.20 and 664,088.84 is: 916,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,957 : 1,666,938.20 = 664,088.84 : x
  2. Step 2: Convert to fraction form
    1,207,957/1,666,938.20 = 664,088.84/x
  3. Step 3: Cross multiply
    1,207,957x = 1,666,938.20 × 664,088.84
  4. Step 4: Simplify right side
    1,207,957x = 1,106,995,055,589.69
  5. Step 5: Solve for x
    x = 1,106,995,055,589.69/1,207,957
  6. Step 6: Final answer
    x = 916,419.26

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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.