Home / 1,395,886.93-1,925,833.41-912,734.89

Finding the Fourth Proportional to 1,395,886.93, 1,925,833.41 and 912,734.89

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Solution

The fourth proportional to 1,395,886.93, 1,925,833.41 and 912,734.89 is: 1,259,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,886.93 : 1,925,833.41 = 912,734.89 : x
  2. Step 2: Convert to fraction form
    1,395,886.93/1,925,833.41 = 912,734.89/x
  3. Step 3: Cross multiply
    1,395,886.93x = 1,925,833.41 × 912,734.89
  4. Step 4: Simplify right side
    1,395,886.93x = 1,757,775,345,634.67
  5. Step 5: Solve for x
    x = 1,757,775,345,634.67/1,395,886.93
  6. Step 6: Final answer
    x = 1,259,253.39

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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.