Home / 1,326,453.11-1,990,100.23-473,506.48

Finding the Fourth Proportional to 1,326,453.11, 1,990,100.23 and 473,506.48

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Solution

The fourth proportional to 1,326,453.11, 1,990,100.23 and 473,506.48 is: 710,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,453.11 : 1,990,100.23 = 473,506.48 : x
  2. Step 2: Convert to fraction form
    1,326,453.11/1,990,100.23 = 473,506.48/x
  3. Step 3: Cross multiply
    1,326,453.11x = 1,990,100.23 × 473,506.48
  4. Step 4: Simplify right side
    1,326,453.11x = 942,325,354,754.49
  5. Step 5: Solve for x
    x = 942,325,354,754.49/1,326,453.11
  6. Step 6: Final answer
    x = 710,409.85

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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.