Home / 1,298,507.08-1,947,858.52-387,617.58

Finding the Fourth Proportional to 1,298,507.08, 1,947,858.52 and 387,617.58

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Solution

The fourth proportional to 1,298,507.08, 1,947,858.52 and 387,617.58 is: 581,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,507.08 : 1,947,858.52 = 387,617.58 : x
  2. Step 2: Convert to fraction form
    1,298,507.08/1,947,858.52 = 387,617.58/x
  3. Step 3: Cross multiply
    1,298,507.08x = 1,947,858.52 × 387,617.58
  4. Step 4: Simplify right side
    1,298,507.08x = 755,024,205,704.78
  5. Step 5: Solve for x
    x = 755,024,205,704.78/1,298,507.08
  6. Step 6: Final answer
    x = 581,455.59

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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.