Home / 1,155,969.08-1,595,558.22-672,627.90

Finding the Fourth Proportional to 1,155,969.08, 1,595,558.22 and 672,627.90

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Solution

The fourth proportional to 1,155,969.08, 1,595,558.22 and 672,627.90 is: 928,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,969.08 : 1,595,558.22 = 672,627.90 : x
  2. Step 2: Convert to fraction form
    1,155,969.08/1,595,558.22 = 672,627.90/x
  3. Step 3: Cross multiply
    1,155,969.08x = 1,595,558.22 × 672,627.90
  4. Step 4: Simplify right side
    1,155,969.08x = 1,073,216,974,846.34
  5. Step 5: Solve for x
    x = 1,073,216,974,846.34/1,155,969.08
  6. Step 6: Final answer
    x = 928,413.22

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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.