Home / 1,563,021.92-2,157,086.34-874,762.89

Finding the Fourth Proportional to 1,563,021.92, 2,157,086.34 and 874,762.89

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Solution

The fourth proportional to 1,563,021.92, 2,157,086.34 and 874,762.89 is: 1,207,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,021.92 : 2,157,086.34 = 874,762.89 : x
  2. Step 2: Convert to fraction form
    1,563,021.92/2,157,086.34 = 874,762.89/x
  3. Step 3: Cross multiply
    1,563,021.92x = 2,157,086.34 × 874,762.89
  4. Step 4: Simplify right side
    1,563,021.92x = 1,886,939,080,757.92
  5. Step 5: Solve for x
    x = 1,886,939,080,757.92/1,563,021.92
  6. Step 6: Final answer
    x = 1,207,237.76

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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.