Home / 646,560.08-892,280.60-360,080.17

Finding the Fourth Proportional to 646,560.08, 892,280.60 and 360,080.17

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Solution

The fourth proportional to 646,560.08, 892,280.60 and 360,080.17 is: 496,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,560.08 : 892,280.60 = 360,080.17 : x
  2. Step 2: Convert to fraction form
    646,560.08/892,280.60 = 360,080.17/x
  3. Step 3: Cross multiply
    646,560.08x = 892,280.60 × 360,080.17
  4. Step 4: Simplify right side
    646,560.08x = 321,292,546,104.60
  5. Step 5: Solve for x
    x = 321,292,546,104.60/646,560.08
  6. Step 6: Final answer
    x = 496,926.05

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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.