Home / 957,291.50-1,321,036.34-527,571.51

Finding the Fourth Proportional to 957,291.50, 1,321,036.34 and 527,571.51

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Solution

The fourth proportional to 957,291.50, 1,321,036.34 and 527,571.51 is: 728,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,291.50 : 1,321,036.34 = 527,571.51 : x
  2. Step 2: Convert to fraction form
    957,291.50/1,321,036.34 = 527,571.51/x
  3. Step 3: Cross multiply
    957,291.50x = 1,321,036.34 × 527,571.51
  4. Step 4: Simplify right side
    957,291.50x = 696,941,134,020.82
  5. Step 5: Solve for x
    x = 696,941,134,020.82/957,291.50
  6. Step 6: Final answer
    x = 728,034.39

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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.