Home / 1,992,041.42-2,988,088.79-625,770.57

Finding the Fourth Proportional to 1,992,041.42, 2,988,088.79 and 625,770.57

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Solution

The fourth proportional to 1,992,041.42, 2,988,088.79 and 625,770.57 is: 938,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,041.42 : 2,988,088.79 = 625,770.57 : x
  2. Step 2: Convert to fraction form
    1,992,041.42/2,988,088.79 = 625,770.57/x
  3. Step 3: Cross multiply
    1,992,041.42x = 2,988,088.79 × 625,770.57
  4. Step 4: Simplify right side
    1,992,041.42x = 1,869,858,022,200.06
  5. Step 5: Solve for x
    x = 1,869,858,022,200.06/1,992,041.42
  6. Step 6: Final answer
    x = 938,664.23

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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.