Home / 812,633.58-1,214,008.61-525,988.94

Finding the Fourth Proportional to 812,633.58, 1,214,008.61 and 525,988.94

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Solution

The fourth proportional to 812,633.58, 1,214,008.61 and 525,988.94 is: 785,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,633.58 : 1,214,008.61 = 525,988.94 : x
  2. Step 2: Convert to fraction form
    812,633.58/1,214,008.61 = 525,988.94/x
  3. Step 3: Cross multiply
    812,633.58x = 1,214,008.61 × 525,988.94
  4. Step 4: Simplify right side
    812,633.58x = 638,555,093,224.79
  5. Step 5: Solve for x
    x = 638,555,093,224.79/812,633.58
  6. Step 6: Final answer
    x = 785,784.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.