Home / 1,191,906.63-1,787,820.35-517,988.59

Finding the Fourth Proportional to 1,191,906.63, 1,787,820.35 and 517,988.59

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Solution

The fourth proportional to 1,191,906.63, 1,787,820.35 and 517,988.59 is: 776,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,906.63 : 1,787,820.35 = 517,988.59 : x
  2. Step 2: Convert to fraction form
    1,191,906.63/1,787,820.35 = 517,988.59/x
  3. Step 3: Cross multiply
    1,191,906.63x = 1,787,820.35 × 517,988.59
  4. Step 4: Simplify right side
    1,191,906.63x = 926,070,535,210.31
  5. Step 5: Solve for x
    x = 926,070,535,210.31/1,191,906.63
  6. Step 6: Final answer
    x = 776,965.67

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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.