Home / 876,653.20-1,314,072.60-476,448.40

Finding the Fourth Proportional to 876,653.20, 1,314,072.60 and 476,448.40

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Solution

The fourth proportional to 876,653.20, 1,314,072.60 and 476,448.40 is: 714,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,653.20 : 1,314,072.60 = 476,448.40 : x
  2. Step 2: Convert to fraction form
    876,653.20/1,314,072.60 = 476,448.40/x
  3. Step 3: Cross multiply
    876,653.20x = 1,314,072.60 × 476,448.40
  4. Step 4: Simplify right side
    876,653.20x = 626,087,787,753.84
  5. Step 5: Solve for x
    x = 626,087,787,753.84/876,653.20
  6. Step 6: Final answer
    x = 714,179.55

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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.