Home / 1,640,829.60-2,457,307.80-798,397.20

Finding the Fourth Proportional to 1,640,829.60, 2,457,307.80 and 798,397.20

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Solution

The fourth proportional to 1,640,829.60, 2,457,307.80 and 798,397.20 is: 1,195,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,829.60 : 2,457,307.80 = 798,397.20 : x
  2. Step 2: Convert to fraction form
    1,640,829.60/2,457,307.80 = 798,397.20/x
  3. Step 3: Cross multiply
    1,640,829.60x = 2,457,307.80 × 798,397.20
  4. Step 4: Simplify right side
    1,640,829.60x = 1,961,907,667,058.16
  5. Step 5: Solve for x
    x = 1,961,907,667,058.16/1,640,829.60
  6. Step 6: Final answer
    x = 1,195,680.32

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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.