Home / 1,278,534.52-1,764,374.02-705,570.59

Finding the Fourth Proportional to 1,278,534.52, 1,764,374.02 and 705,570.59

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Solution

The fourth proportional to 1,278,534.52, 1,764,374.02 and 705,570.59 is: 973,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,534.52 : 1,764,374.02 = 705,570.59 : x
  2. Step 2: Convert to fraction form
    1,278,534.52/1,764,374.02 = 705,570.59/x
  3. Step 3: Cross multiply
    1,278,534.52x = 1,764,374.02 × 705,570.59
  4. Step 4: Simplify right side
    1,278,534.52x = 1,244,890,420,919.08
  5. Step 5: Solve for x
    x = 1,244,890,420,919.08/1,278,534.52
  6. Step 6: Final answer
    x = 973,685.42

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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.