Home / 1,160,182.04-1,601,051.80-643,936.15

Finding the Fourth Proportional to 1,160,182.04, 1,601,051.80 and 643,936.15

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Solution

The fourth proportional to 1,160,182.04, 1,601,051.80 and 643,936.15 is: 888,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,182.04 : 1,601,051.80 = 643,936.15 : x
  2. Step 2: Convert to fraction form
    1,160,182.04/1,601,051.80 = 643,936.15/x
  3. Step 3: Cross multiply
    1,160,182.04x = 1,601,051.80 × 643,936.15
  4. Step 4: Simplify right side
    1,160,182.04x = 1,030,975,132,042.57
  5. Step 5: Solve for x
    x = 1,030,975,132,042.57/1,160,182.04
  6. Step 6: Final answer
    x = 888,632.21

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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.