Home / 1,388,876.96-2,083,100.55-535,824.20

Finding the Fourth Proportional to 1,388,876.96, 2,083,100.55 and 535,824.20

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Solution

The fourth proportional to 1,388,876.96, 2,083,100.55 and 535,824.20 is: 803,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,876.96 : 2,083,100.55 = 535,824.20 : x
  2. Step 2: Convert to fraction form
    1,388,876.96/2,083,100.55 = 535,824.20/x
  3. Step 3: Cross multiply
    1,388,876.96x = 2,083,100.55 × 535,824.20
  4. Step 4: Simplify right side
    1,388,876.96x = 1,116,175,685,723.31
  5. Step 5: Solve for x
    x = 1,116,175,685,723.31/1,388,876.96
  6. Step 6: Final answer
    x = 803,653.40

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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.