Home / 739,756.40-1,021,568.87-699,454.83

Finding the Fourth Proportional to 739,756.40, 1,021,568.87 and 699,454.83

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Solution

The fourth proportional to 739,756.40, 1,021,568.87 and 699,454.83 is: 965,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,756.40 : 1,021,568.87 = 699,454.83 : x
  2. Step 2: Convert to fraction form
    739,756.40/1,021,568.87 = 699,454.83/x
  3. Step 3: Cross multiply
    739,756.40x = 1,021,568.87 × 699,454.83
  4. Step 4: Simplify right side
    739,756.40x = 714,541,285,878.66
  5. Step 5: Solve for x
    x = 714,541,285,878.66/739,756.40
  6. Step 6: Final answer
    x = 965,914.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.