Home / 1,298,506.58-1,947,857.76-387,617.07

Finding the Fourth Proportional to 1,298,506.58, 1,947,857.76 and 387,617.07

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Solution

The fourth proportional to 1,298,506.58, 1,947,857.76 and 387,617.07 is: 581,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,506.58 : 1,947,857.76 = 387,617.07 : x
  2. Step 2: Convert to fraction form
    1,298,506.58/1,947,857.76 = 387,617.07/x
  3. Step 3: Cross multiply
    1,298,506.58x = 1,947,857.76 × 387,617.07
  4. Step 4: Simplify right side
    1,298,506.58x = 755,022,917,707.96
  5. Step 5: Solve for x
    x = 755,022,917,707.96/1,298,506.58
  6. Step 6: Final answer
    x = 581,454.83

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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.