Home / 1,263,679.16-1,895,992.08-656,088.21

Finding the Fourth Proportional to 1,263,679.16, 1,895,992.08 and 656,088.21

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Solution

The fourth proportional to 1,263,679.16, 1,895,992.08 and 656,088.21 is: 984,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,679.16 : 1,895,992.08 = 656,088.21 : x
  2. Step 2: Convert to fraction form
    1,263,679.16/1,895,992.08 = 656,088.21/x
  3. Step 3: Cross multiply
    1,263,679.16x = 1,895,992.08 × 656,088.21
  4. Step 4: Simplify right side
    1,263,679.16x = 1,243,938,049,679.09
  5. Step 5: Solve for x
    x = 1,243,938,049,679.09/1,263,679.16
  6. Step 6: Final answer
    x = 984,378.07

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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.