Home / 1,543,114.80-2,129,004-999,669.60

Finding the Fourth Proportional to 1,543,114.80, 2,129,004 and 999,669.60

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Solution

The fourth proportional to 1,543,114.80, 2,129,004 and 999,669.60 is: 1,379,223.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,114.80 : 2,129,004 = 999,669.60 : x
  2. Step 2: Convert to fraction form
    1,543,114.80/2,129,004 = 999,669.60/x
  3. Step 3: Cross multiply
    1,543,114.80x = 2,129,004 × 999,669.60
  4. Step 4: Simplify right side
    1,543,114.80x = 2,128,300,577,078.40
  5. Step 5: Solve for x
    x = 2,128,300,577,078.40/1,543,114.80
  6. Step 6: Final answer
    x = 1,379,223.75

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1.5x scale

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.