Home / 1,132,801.20-1,699,201.80-1,038,322.80

Finding the Fourth Proportional to 1,132,801.20, 1,699,201.80 and 1,038,322.80

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Solution

The fourth proportional to 1,132,801.20, 1,699,201.80 and 1,038,322.80 is: 1,557,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,801.20 : 1,699,201.80 = 1,038,322.80 : x
  2. Step 2: Convert to fraction form
    1,132,801.20/1,699,201.80 = 1,038,322.80/x
  3. Step 3: Cross multiply
    1,132,801.20x = 1,699,201.80 × 1,038,322.80
  4. Step 4: Simplify right side
    1,132,801.20x = 1,764,319,970,741.04
  5. Step 5: Solve for x
    x = 1,764,319,970,741.04/1,132,801.20
  6. Step 6: Final answer
    x = 1,557,484.20

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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.