Home / 1,129,293.45-1,558,405.53-619,992.18

Finding the Fourth Proportional to 1,129,293.45, 1,558,405.53 and 619,992.18

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Solution

The fourth proportional to 1,129,293.45, 1,558,405.53 and 619,992.18 is: 855,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,293.45 : 1,558,405.53 = 619,992.18 : x
  2. Step 2: Convert to fraction form
    1,129,293.45/1,558,405.53 = 619,992.18/x
  3. Step 3: Cross multiply
    1,129,293.45x = 1,558,405.53 × 619,992.18
  4. Step 4: Simplify right side
    1,129,293.45x = 966,199,241,868.76
  5. Step 5: Solve for x
    x = 966,199,241,868.76/1,129,293.45
  6. Step 6: Final answer
    x = 855,578.54

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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.