Home / 1,128,991.26-1,558,012.95-619,697.82

Finding the Fourth Proportional to 1,128,991.26, 1,558,012.95 and 619,697.82

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Solution

The fourth proportional to 1,128,991.26, 1,558,012.95 and 619,697.82 is: 855,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,991.26 : 1,558,012.95 = 619,697.82 : x
  2. Step 2: Convert to fraction form
    1,128,991.26/1,558,012.95 = 619,697.82/x
  3. Step 3: Cross multiply
    1,128,991.26x = 1,558,012.95 × 619,697.82
  4. Step 4: Simplify right side
    1,128,991.26x = 965,497,228,646.77
  5. Step 5: Solve for x
    x = 965,497,228,646.77/1,128,991.26
  6. Step 6: Final answer
    x = 855,185.74

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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.