Home / 1,185,274.14-1,635,678.31-641,409.93

Finding the Fourth Proportional to 1,185,274.14, 1,635,678.31 and 641,409.93

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Solution

The fourth proportional to 1,185,274.14, 1,635,678.31 and 641,409.93 is: 885,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,274.14 : 1,635,678.31 = 641,409.93 : x
  2. Step 2: Convert to fraction form
    1,185,274.14/1,635,678.31 = 641,409.93/x
  3. Step 3: Cross multiply
    1,185,274.14x = 1,635,678.31 × 641,409.93
  4. Step 4: Simplify right side
    1,185,274.14x = 1,049,140,312,324.02
  5. Step 5: Solve for x
    x = 1,049,140,312,324.02/1,185,274.14
  6. Step 6: Final answer
    x = 885,145.70

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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.