Home / 1,026,530.21-1,539,769.39-278,556.77

Finding the Fourth Proportional to 1,026,530.21, 1,539,769.39 and 278,556.77

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Solution

The fourth proportional to 1,026,530.21, 1,539,769.39 and 278,556.77 is: 417,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,530.21 : 1,539,769.39 = 278,556.77 : x
  2. Step 2: Convert to fraction form
    1,026,530.21/1,539,769.39 = 278,556.77/x
  3. Step 3: Cross multiply
    1,026,530.21x = 1,539,769.39 × 278,556.77
  4. Step 4: Simplify right side
    1,026,530.21x = 428,913,187,823.27
  5. Step 5: Solve for x
    x = 428,913,187,823.27/1,026,530.21
  6. Step 6: Final answer
    x = 417,828.12

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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.