Home / 664,494.20-916,683.18-482,924.60

Finding the Fourth Proportional to 664,494.20, 916,683.18 and 482,924.60

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Solution

The fourth proportional to 664,494.20, 916,683.18 and 482,924.60 is: 666,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,494.20 : 916,683.18 = 482,924.60 : x
  2. Step 2: Convert to fraction form
    664,494.20/916,683.18 = 482,924.60/x
  3. Step 3: Cross multiply
    664,494.20x = 916,683.18 × 482,924.60
  4. Step 4: Simplify right side
    664,494.20x = 442,688,858,028.23
  5. Step 5: Solve for x
    x = 442,688,858,028.23/664,494.20
  6. Step 6: Final answer
    x = 666,204.25

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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.