Home / 1,113,651.28-1,536,822.48-654,817.60

Finding the Fourth Proportional to 1,113,651.28, 1,536,822.48 and 654,817.60

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Solution

The fourth proportional to 1,113,651.28, 1,536,822.48 and 654,817.60 is: 903,638.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,651.28 : 1,536,822.48 = 654,817.60 : x
  2. Step 2: Convert to fraction form
    1,113,651.28/1,536,822.48 = 654,817.60/x
  3. Step 3: Cross multiply
    1,113,651.28x = 1,536,822.48 × 654,817.60
  4. Step 4: Simplify right side
    1,113,651.28x = 1,006,338,407,979.65
  5. Step 5: Solve for x
    x = 1,006,338,407,979.65/1,113,651.28
  6. Step 6: Final answer
    x = 903,638.71

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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.