Home / 1,678,976.30-2,316,995.28-953,863.81

Finding the Fourth Proportional to 1,678,976.30, 2,316,995.28 and 953,863.81

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Solution

The fourth proportional to 1,678,976.30, 2,316,995.28 and 953,863.81 is: 1,316,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,976.30 : 2,316,995.28 = 953,863.81 : x
  2. Step 2: Convert to fraction form
    1,678,976.30/2,316,995.28 = 953,863.81/x
  3. Step 3: Cross multiply
    1,678,976.30x = 2,316,995.28 × 953,863.81
  4. Step 4: Simplify right side
    1,678,976.30x = 2,210,097,942,998.60
  5. Step 5: Solve for x
    x = 2,210,097,942,998.60/1,678,976.30
  6. Step 6: Final answer
    x = 1,316,336.59

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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.