Home / 1,234,103.80-1,851,155.70-985,271.80

Finding the Fourth Proportional to 1,234,103.80, 1,851,155.70 and 985,271.80

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Solution

The fourth proportional to 1,234,103.80, 1,851,155.70 and 985,271.80 is: 1,477,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,103.80 : 1,851,155.70 = 985,271.80 : x
  2. Step 2: Convert to fraction form
    1,234,103.80/1,851,155.70 = 985,271.80/x
  3. Step 3: Cross multiply
    1,234,103.80x = 1,851,155.70 × 985,271.80
  4. Step 4: Simplify right side
    1,234,103.80x = 1,823,891,508,619.26
  5. Step 5: Solve for x
    x = 1,823,891,508,619.26/1,234,103.80
  6. Step 6: Final answer
    x = 1,477,907.70

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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.