Home / 1,294,858.59-1,788,033.15-812,253.30

Finding the Fourth Proportional to 1,294,858.59, 1,788,033.15 and 812,253.30

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Solution

The fourth proportional to 1,294,858.59, 1,788,033.15 and 812,253.30 is: 1,121,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,858.59 : 1,788,033.15 = 812,253.30 : x
  2. Step 2: Convert to fraction form
    1,294,858.59/1,788,033.15 = 812,253.30/x
  3. Step 3: Cross multiply
    1,294,858.59x = 1,788,033.15 × 812,253.30
  4. Step 4: Simplify right side
    1,294,858.59x = 1,452,335,826,596.90
  5. Step 5: Solve for x
    x = 1,452,335,826,596.90/1,294,858.59
  6. Step 6: Final answer
    x = 1,121,617.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.