Home / 1,571,963.76-2,169,309.60-856,571.76

Finding the Fourth Proportional to 1,571,963.76, 2,169,309.60 and 856,571.76

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Solution

The fourth proportional to 1,571,963.76, 2,169,309.60 and 856,571.76 is: 1,182,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,963.76 : 2,169,309.60 = 856,571.76 : x
  2. Step 2: Convert to fraction form
    1,571,963.76/2,169,309.60 = 856,571.76/x
  3. Step 3: Cross multiply
    1,571,963.76x = 2,169,309.60 × 856,571.76
  4. Step 4: Simplify right side
    1,571,963.76x = 1,858,169,342,056.90
  5. Step 5: Solve for x
    x = 1,858,169,342,056.90/1,571,963.76
  6. Step 6: Final answer
    x = 1,182,068.82

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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.