Home / 1,286,269.60-1,929,594.48-444,595.36

Finding the Fourth Proportional to 1,286,269.60, 1,929,594.48 and 444,595.36

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Solution

The fourth proportional to 1,286,269.60, 1,929,594.48 and 444,595.36 is: 666,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,269.60 : 1,929,594.48 = 444,595.36 : x
  2. Step 2: Convert to fraction form
    1,286,269.60/1,929,594.48 = 444,595.36/x
  3. Step 3: Cross multiply
    1,286,269.60x = 1,929,594.48 × 444,595.36
  4. Step 4: Simplify right side
    1,286,269.60x = 857,888,752,489.61
  5. Step 5: Solve for x
    x = 857,888,752,489.61/1,286,269.60
  6. Step 6: Final answer
    x = 666,958.74

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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.