Home / 936,864.83-1,405,087.02-430,939.91

Finding the Fourth Proportional to 936,864.83, 1,405,087.02 and 430,939.91

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Solution

The fourth proportional to 936,864.83, 1,405,087.02 and 430,939.91 is: 646,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,864.83 : 1,405,087.02 = 430,939.91 : x
  2. Step 2: Convert to fraction form
    936,864.83/1,405,087.02 = 430,939.91/x
  3. Step 3: Cross multiply
    936,864.83x = 1,405,087.02 × 430,939.91
  4. Step 4: Simplify right side
    936,864.83x = 605,508,077,453.69
  5. Step 5: Solve for x
    x = 605,508,077,453.69/936,864.83
  6. Step 6: Final answer
    x = 646,313.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.