Home / 1,200,739.18-1,801,108.77-569,308.54

Finding the Fourth Proportional to 1,200,739.18, 1,801,108.77 and 569,308.54

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Solution

The fourth proportional to 1,200,739.18, 1,801,108.77 and 569,308.54 is: 853,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,739.18 : 1,801,108.77 = 569,308.54 : x
  2. Step 2: Convert to fraction form
    1,200,739.18/1,801,108.77 = 569,308.54/x
  3. Step 3: Cross multiply
    1,200,739.18x = 1,801,108.77 × 569,308.54
  4. Step 4: Simplify right side
    1,200,739.18x = 1,025,386,604,229.90
  5. Step 5: Solve for x
    x = 1,025,386,604,229.90/1,200,739.18
  6. Step 6: Final answer
    x = 853,962.81

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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.