Home / 825,927.48-1,238,628.72-561,387.96

Finding the Fourth Proportional to 825,927.48, 1,238,628.72 and 561,387.96

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Solution

The fourth proportional to 825,927.48, 1,238,628.72 and 561,387.96 is: 841,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,927.48 : 1,238,628.72 = 561,387.96 : x
  2. Step 2: Convert to fraction form
    825,927.48/1,238,628.72 = 561,387.96/x
  3. Step 3: Cross multiply
    825,927.48x = 1,238,628.72 × 561,387.96
  4. Step 4: Simplify right side
    825,927.48x = 695,351,250,318.21
  5. Step 5: Solve for x
    x = 695,351,250,318.21/825,927.48
  6. Step 6: Final answer
    x = 841,903.52

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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.