Home / 979,102.64-1,467,643.71-410,813.75

Finding the Fourth Proportional to 979,102.64, 1,467,643.71 and 410,813.75

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Solution

The fourth proportional to 979,102.64, 1,467,643.71 and 410,813.75 is: 615,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,102.64 : 1,467,643.71 = 410,813.75 : x
  2. Step 2: Convert to fraction form
    979,102.64/1,467,643.71 = 410,813.75/x
  3. Step 3: Cross multiply
    979,102.64x = 1,467,643.71 × 410,813.75
  4. Step 4: Simplify right side
    979,102.64x = 602,928,216,169.01
  5. Step 5: Solve for x
    x = 602,928,216,169.01/979,102.64
  6. Step 6: Final answer
    x = 615,796.74

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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.