Home / 756,507.80-1,043,962.30-416,968.60

Finding the Fourth Proportional to 756,507.80, 1,043,962.30 and 416,968.60

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Solution

The fourth proportional to 756,507.80, 1,043,962.30 and 416,968.60 is: 575,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,507.80 : 1,043,962.30 = 416,968.60 : x
  2. Step 2: Convert to fraction form
    756,507.80/1,043,962.30 = 416,968.60/x
  3. Step 3: Cross multiply
    756,507.80x = 1,043,962.30 × 416,968.60
  4. Step 4: Simplify right side
    756,507.80x = 435,299,498,683.78
  5. Step 5: Solve for x
    x = 435,299,498,683.78/756,507.80
  6. Step 6: Final answer
    x = 575,406.49

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1.5x scale

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.