Home / 1,580,909.46-2,181,656.32-855,754.94

Finding the Fourth Proportional to 1,580,909.46, 2,181,656.32 and 855,754.94

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Solution

The fourth proportional to 1,580,909.46, 2,181,656.32 and 855,754.94 is: 1,180,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,909.46 : 2,181,656.32 = 855,754.94 : x
  2. Step 2: Convert to fraction form
    1,580,909.46/2,181,656.32 = 855,754.94/x
  3. Step 3: Cross multiply
    1,580,909.46x = 2,181,656.32 × 855,754.94
  4. Step 4: Simplify right side
    1,580,909.46x = 1,866,963,173,222.22
  5. Step 5: Solve for x
    x = 1,866,963,173,222.22/1,580,909.46
  6. Step 6: Final answer
    x = 1,180,942.50

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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.