Home / 1,953,878.78-2,928,878.57-927,410.33

Finding the Fourth Proportional to 1,953,878.78, 2,928,878.57 and 927,410.33

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Solution

The fourth proportional to 1,953,878.78, 2,928,878.57 and 927,410.33 is: 1,390,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,878.78 : 2,928,878.57 = 927,410.33 : x
  2. Step 2: Convert to fraction form
    1,953,878.78/2,928,878.57 = 927,410.33/x
  3. Step 3: Cross multiply
    1,953,878.78x = 2,928,878.57 × 927,410.33
  4. Step 4: Simplify right side
    1,953,878.78x = 2,716,272,250,774.35
  5. Step 5: Solve for x
    x = 2,716,272,250,774.35/1,953,878.78
  6. Step 6: Final answer
    x = 1,390,194.87

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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.