Home / 744,428.94-1,116,153.38-490,936.50

Finding the Fourth Proportional to 744,428.94, 1,116,153.38 and 490,936.50

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Solution

The fourth proportional to 744,428.94, 1,116,153.38 and 490,936.50 is: 736,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,428.94 : 1,116,153.38 = 490,936.50 : x
  2. Step 2: Convert to fraction form
    744,428.94/1,116,153.38 = 490,936.50/x
  3. Step 3: Cross multiply
    744,428.94x = 1,116,153.38 × 490,936.50
  4. Step 4: Simplify right side
    744,428.94x = 547,960,437,920.35
  5. Step 5: Solve for x
    x = 547,960,437,920.35/744,428.94
  6. Step 6: Final answer
    x = 736,081.59

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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.