Home / 1,274,626.82-1,911,931.70-516,457.10

Finding the Fourth Proportional to 1,274,626.82, 1,911,931.70 and 516,457.10

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Solution

The fourth proportional to 1,274,626.82, 1,911,931.70 and 516,457.10 is: 774,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,626.82 : 1,911,931.70 = 516,457.10 : x
  2. Step 2: Convert to fraction form
    1,274,626.82/1,911,931.70 = 516,457.10/x
  3. Step 3: Cross multiply
    1,274,626.82x = 1,911,931.70 × 516,457.10
  4. Step 4: Simplify right side
    1,274,626.82x = 987,430,701,180.07
  5. Step 5: Solve for x
    x = 987,430,701,180.07/1,274,626.82
  6. Step 6: Final answer
    x = 774,682.19

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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.