Home / 1,257,335.88-1,886,021.12-358,777.33

Finding the Fourth Proportional to 1,257,335.88, 1,886,021.12 and 358,777.33

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Solution

The fourth proportional to 1,257,335.88, 1,886,021.12 and 358,777.33 is: 538,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,335.88 : 1,886,021.12 = 358,777.33 : x
  2. Step 2: Convert to fraction form
    1,257,335.88/1,886,021.12 = 358,777.33/x
  3. Step 3: Cross multiply
    1,257,335.88x = 1,886,021.12 × 358,777.33
  4. Step 4: Simplify right side
    1,257,335.88x = 676,661,610,533.22
  5. Step 5: Solve for x
    x = 676,661,610,533.22/1,257,335.88
  6. Step 6: Final answer
    x = 538,170.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.