Home / 949,615.81-1,310,473.67-519,935.92

Finding the Fourth Proportional to 949,615.81, 1,310,473.67 and 519,935.92

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Solution

The fourth proportional to 949,615.81, 1,310,473.67 and 519,935.92 is: 717,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,615.81 : 1,310,473.67 = 519,935.92 : x
  2. Step 2: Convert to fraction form
    949,615.81/1,310,473.67 = 519,935.92/x
  3. Step 3: Cross multiply
    949,615.81x = 1,310,473.67 × 519,935.92
  4. Step 4: Simplify right side
    949,615.81x = 681,362,327,371.36
  5. Step 5: Solve for x
    x = 681,362,327,371.36/949,615.81
  6. Step 6: Final answer
    x = 717,513.67

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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.