Home / 1,863,880.47-2,796,407.55-665,776.26

Finding the Fourth Proportional to 1,863,880.47, 2,796,407.55 and 665,776.26

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Solution

The fourth proportional to 1,863,880.47, 2,796,407.55 and 665,776.26 is: 998,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,880.47 : 2,796,407.55 = 665,776.26 : x
  2. Step 2: Convert to fraction form
    1,863,880.47/2,796,407.55 = 665,776.26/x
  3. Step 3: Cross multiply
    1,863,880.47x = 2,796,407.55 × 665,776.26
  4. Step 4: Simplify right side
    1,863,880.47x = 1,861,781,760,074.76
  5. Step 5: Solve for x
    x = 1,861,781,760,074.76/1,863,880.47
  6. Step 6: Final answer
    x = 998,874.01

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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.