Home / 1,227,999.60-1,841,999.40-1,121,711.40

Finding the Fourth Proportional to 1,227,999.60, 1,841,999.40 and 1,121,711.40

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Solution

The fourth proportional to 1,227,999.60, 1,841,999.40 and 1,121,711.40 is: 1,682,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,999.60 : 1,841,999.40 = 1,121,711.40 : x
  2. Step 2: Convert to fraction form
    1,227,999.60/1,841,999.40 = 1,121,711.40/x
  3. Step 3: Cross multiply
    1,227,999.60x = 1,841,999.40 × 1,121,711.40
  4. Step 4: Simplify right side
    1,227,999.60x = 2,066,191,725,773.16
  5. Step 5: Solve for x
    x = 2,066,191,725,773.16/1,227,999.60
  6. Step 6: Final answer
    x = 1,682,567.10

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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.