Home / 1,326,453.47-1,990,100.87-473,506.41

Finding the Fourth Proportional to 1,326,453.47, 1,990,100.87 and 473,506.41

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Solution

The fourth proportional to 1,326,453.47, 1,990,100.87 and 473,506.41 is: 710,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,453.47 : 1,990,100.87 = 473,506.41 : x
  2. Step 2: Convert to fraction form
    1,326,453.47/1,990,100.87 = 473,506.41/x
  3. Step 3: Cross multiply
    1,326,453.47x = 1,990,100.87 × 473,506.41
  4. Step 4: Simplify right side
    1,326,453.47x = 942,325,519,675.34
  5. Step 5: Solve for x
    x = 942,325,519,675.34/1,326,453.47
  6. Step 6: Final answer
    x = 710,409.78

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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.