Home / 1,602,765.72-2,211,820.56-877,661.28

Finding the Fourth Proportional to 1,602,765.72, 2,211,820.56 and 877,661.28

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Solution

The fourth proportional to 1,602,765.72, 2,211,820.56 and 877,661.28 is: 1,211,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,765.72 : 2,211,820.56 = 877,661.28 : x
  2. Step 2: Convert to fraction form
    1,602,765.72/2,211,820.56 = 877,661.28/x
  3. Step 3: Cross multiply
    1,602,765.72x = 2,211,820.56 × 877,661.28
  4. Step 4: Simplify right side
    1,602,765.72x = 1,941,229,263,819.92
  5. Step 5: Solve for x
    x = 1,941,229,263,819.92/1,602,765.72
  6. Step 6: Final answer
    x = 1,211,174.68

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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.