Home / 1,255,999.80-1,884,114.90-414,553.40

Finding the Fourth Proportional to 1,255,999.80, 1,884,114.90 and 414,553.40

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Solution

The fourth proportional to 1,255,999.80, 1,884,114.90 and 414,553.40 is: 621,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,999.80 : 1,884,114.90 = 414,553.40 : x
  2. Step 2: Convert to fraction form
    1,255,999.80/1,884,114.90 = 414,553.40/x
  3. Step 3: Cross multiply
    1,255,999.80x = 1,884,114.90 × 414,553.40
  4. Step 4: Simplify right side
    1,255,999.80x = 781,066,237,785.66
  5. Step 5: Solve for x
    x = 781,066,237,785.66/1,255,999.80
  6. Step 6: Final answer
    x = 621,868.12

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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.