Home / 1,678,301.56-2,316,101.21-914,404.33

Finding the Fourth Proportional to 1,678,301.56, 2,316,101.21 and 914,404.33

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Solution

The fourth proportional to 1,678,301.56, 2,316,101.21 and 914,404.33 is: 1,261,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,301.56 : 2,316,101.21 = 914,404.33 : x
  2. Step 2: Convert to fraction form
    1,678,301.56/2,316,101.21 = 914,404.33/x
  3. Step 3: Cross multiply
    1,678,301.56x = 2,316,101.21 × 914,404.33
  4. Step 4: Simplify right side
    1,678,301.56x = 2,117,852,975,142.24
  5. Step 5: Solve for x
    x = 2,117,852,975,142.24/1,678,301.56
  6. Step 6: Final answer
    x = 1,261,902.52

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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.