Home / 980,587.28-1,353,200.88-545,005.60

Finding the Fourth Proportional to 980,587.28, 1,353,200.88 and 545,005.60

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Solution

The fourth proportional to 980,587.28, 1,353,200.88 and 545,005.60 is: 752,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,587.28 : 1,353,200.88 = 545,005.60 : x
  2. Step 2: Convert to fraction form
    980,587.28/1,353,200.88 = 545,005.60/x
  3. Step 3: Cross multiply
    980,587.28x = 1,353,200.88 × 545,005.60
  4. Step 4: Simplify right side
    980,587.28x = 737,502,056,185.70
  5. Step 5: Solve for x
    x = 737,502,056,185.70/980,587.28
  6. Step 6: Final answer
    x = 752,102.41

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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.