Home / 788,291.34-1,182,437.77-219,674.07

Finding the Fourth Proportional to 788,291.34, 1,182,437.77 and 219,674.07

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Solution

The fourth proportional to 788,291.34, 1,182,437.77 and 219,674.07 is: 329,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,291.34 : 1,182,437.77 = 219,674.07 : x
  2. Step 2: Convert to fraction form
    788,291.34/1,182,437.77 = 219,674.07/x
  3. Step 3: Cross multiply
    788,291.34x = 1,182,437.77 × 219,674.07
  4. Step 4: Simplify right side
    788,291.34x = 259,750,917,106.75
  5. Step 5: Solve for x
    x = 259,750,917,106.75/788,291.34
  6. Step 6: Final answer
    x = 329,511.32

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1.5x scale

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.