Home / 1,678,334.48-2,316,101.83-914,388.05

Finding the Fourth Proportional to 1,678,334.48, 2,316,101.83 and 914,388.05

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Solution

The fourth proportional to 1,678,334.48, 2,316,101.83 and 914,388.05 is: 1,261,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,334.48 : 2,316,101.83 = 914,388.05 : x
  2. Step 2: Convert to fraction form
    1,678,334.48/2,316,101.83 = 914,388.05/x
  3. Step 3: Cross multiply
    1,678,334.48x = 2,316,101.83 × 914,388.05
  4. Step 4: Simplify right side
    1,678,334.48x = 2,117,815,835,935.13
  5. Step 5: Solve for x
    x = 2,117,815,835,935.13/1,678,334.48
  6. Step 6: Final answer
    x = 1,261,855.64

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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.