Home / 1,685,614.86-2,326,158.81-921,671.46

Finding the Fourth Proportional to 1,685,614.86, 2,326,158.81 and 921,671.46

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Solution

The fourth proportional to 1,685,614.86, 2,326,158.81 and 921,671.46 is: 1,271,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,614.86 : 2,326,158.81 = 921,671.46 : x
  2. Step 2: Convert to fraction form
    1,685,614.86/2,326,158.81 = 921,671.46/x
  3. Step 3: Cross multiply
    1,685,614.86x = 2,326,158.81 × 921,671.46
  4. Step 4: Simplify right side
    1,685,614.86x = 2,143,954,186,604.56
  5. Step 5: Solve for x
    x = 2,143,954,186,604.56/1,685,614.86
  6. Step 6: Final answer
    x = 1,271,912.25

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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.