Home / 1,132,701.45-1,698,996.81-422,674.13

Finding the Fourth Proportional to 1,132,701.45, 1,698,996.81 and 422,674.13

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Solution

The fourth proportional to 1,132,701.45, 1,698,996.81 and 422,674.13 is: 633,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,701.45 : 1,698,996.81 = 422,674.13 : x
  2. Step 2: Convert to fraction form
    1,132,701.45/1,698,996.81 = 422,674.13/x
  3. Step 3: Cross multiply
    1,132,701.45x = 1,698,996.81 × 422,674.13
  4. Step 4: Simplify right side
    1,132,701.45x = 718,121,988,459.51
  5. Step 5: Solve for x
    x = 718,121,988,459.51/1,132,701.45
  6. Step 6: Final answer
    x = 633,990.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.