Home / 1,235,174.40-1,851,379.20-525,081.60

Finding the Fourth Proportional to 1,235,174.40, 1,851,379.20 and 525,081.60

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Solution

The fourth proportional to 1,235,174.40, 1,851,379.20 and 525,081.60 is: 787,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,174.40 : 1,851,379.20 = 525,081.60 : x
  2. Step 2: Convert to fraction form
    1,235,174.40/1,851,379.20 = 525,081.60/x
  3. Step 3: Cross multiply
    1,235,174.40x = 1,851,379.20 × 525,081.60
  4. Step 4: Simplify right side
    1,235,174.40x = 972,125,152,542.72
  5. Step 5: Solve for x
    x = 972,125,152,542.72/1,235,174.40
  6. Step 6: Final answer
    x = 787,034.73

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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.