Home / 1,295,104.84-1,788,372.66-812,499.64

Finding the Fourth Proportional to 1,295,104.84, 1,788,372.66 and 812,499.64

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Solution

The fourth proportional to 1,295,104.84, 1,788,372.66 and 812,499.64 is: 1,121,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,104.84 : 1,788,372.66 = 812,499.64 : x
  2. Step 2: Convert to fraction form
    1,295,104.84/1,788,372.66 = 812,499.64/x
  3. Step 3: Cross multiply
    1,295,104.84x = 1,788,372.66 × 812,499.64
  4. Step 4: Simplify right side
    1,295,104.84x = 1,453,052,142,435.84
  5. Step 5: Solve for x
    x = 1,453,052,142,435.84/1,295,104.84
  6. Step 6: Final answer
    x = 1,121,957.16

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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.