Home / 1,189,741.04-1,641,669.40-680,345

Finding the Fourth Proportional to 1,189,741.04, 1,641,669.40 and 680,345

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Solution

The fourth proportional to 1,189,741.04, 1,641,669.40 and 680,345 is: 938,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,741.04 : 1,641,669.40 = 680,345 : x
  2. Step 2: Convert to fraction form
    1,189,741.04/1,641,669.40 = 680,345/x
  3. Step 3: Cross multiply
    1,189,741.04x = 1,641,669.40 × 680,345
  4. Step 4: Simplify right side
    1,189,741.04x = 1,116,901,567,943
  5. Step 5: Solve for x
    x = 1,116,901,567,943/1,189,741.04
  6. Step 6: Final answer
    x = 938,777.04

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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.