Home / 889,032.68-1,226,733.01-539,991.39

Finding the Fourth Proportional to 889,032.68, 1,226,733.01 and 539,991.39

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Solution

The fourth proportional to 889,032.68, 1,226,733.01 and 539,991.39 is: 745,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,032.68 : 1,226,733.01 = 539,991.39 : x
  2. Step 2: Convert to fraction form
    889,032.68/1,226,733.01 = 539,991.39/x
  3. Step 3: Cross multiply
    889,032.68x = 1,226,733.01 × 539,991.39
  4. Step 4: Simplify right side
    889,032.68x = 662,425,263,228.78
  5. Step 5: Solve for x
    x = 662,425,263,228.78/889,032.68
  6. Step 6: Final answer
    x = 745,107.89

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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.