Home / 1,372,447.80-2,058,671.70-1,295,465.40

Finding the Fourth Proportional to 1,372,447.80, 2,058,671.70 and 1,295,465.40

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Solution

The fourth proportional to 1,372,447.80, 2,058,671.70 and 1,295,465.40 is: 1,943,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,447.80 : 2,058,671.70 = 1,295,465.40 : x
  2. Step 2: Convert to fraction form
    1,372,447.80/2,058,671.70 = 1,295,465.40/x
  3. Step 3: Cross multiply
    1,372,447.80x = 2,058,671.70 × 1,295,465.40
  4. Step 4: Simplify right side
    1,372,447.80x = 2,666,937,957,309.18
  5. Step 5: Solve for x
    x = 2,666,937,957,309.18/1,372,447.80
  6. Step 6: Final answer
    x = 1,943,198.10

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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.