Home / 1,086,116.74-1,630,366.95-862,911.94

Finding the Fourth Proportional to 1,086,116.74, 1,630,366.95 and 862,911.94

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Solution

The fourth proportional to 1,086,116.74, 1,630,366.95 and 862,911.94 is: 1,295,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,116.74 : 1,630,366.95 = 862,911.94 : x
  2. Step 2: Convert to fraction form
    1,086,116.74/1,630,366.95 = 862,911.94/x
  3. Step 3: Cross multiply
    1,086,116.74x = 1,630,366.95 × 862,911.94
  4. Step 4: Simplify right side
    1,086,116.74x = 1,406,863,107,736.38
  5. Step 5: Solve for x
    x = 1,406,863,107,736.38/1,086,116.74
  6. Step 6: Final answer
    x = 1,295,314.82

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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.