Home / 1,278,684.28-1,764,580.69-705,720.35

Finding the Fourth Proportional to 1,278,684.28, 1,764,580.69 and 705,720.35

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Solution

The fourth proportional to 1,278,684.28, 1,764,580.69 and 705,720.35 is: 973,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,684.28 : 1,764,580.69 = 705,720.35 : x
  2. Step 2: Convert to fraction form
    1,278,684.28/1,764,580.69 = 705,720.35/x
  3. Step 3: Cross multiply
    1,278,684.28x = 1,764,580.69 × 705,720.35
  4. Step 4: Simplify right side
    1,278,684.28x = 1,245,300,489,798.54
  5. Step 5: Solve for x
    x = 1,245,300,489,798.54/1,278,684.28
  6. Step 6: Final answer
    x = 973,892.08

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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.