Home / 730,712.40-1,094,902.20-611,739.60

Finding the Fourth Proportional to 730,712.40, 1,094,902.20 and 611,739.60

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Solution

The fourth proportional to 730,712.40, 1,094,902.20 and 611,739.60 is: 916,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,712.40 : 1,094,902.20 = 611,739.60 : x
  2. Step 2: Convert to fraction form
    730,712.40/1,094,902.20 = 611,739.60/x
  3. Step 3: Cross multiply
    730,712.40x = 1,094,902.20 × 611,739.60
  4. Step 4: Simplify right side
    730,712.40x = 669,795,033,867.12
  5. Step 5: Solve for x
    x = 669,795,033,867.12/730,712.40
  6. Step 6: Final answer
    x = 916,632.91

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1.5x scale

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.