Home / 445,935.03-615,387.21-241,980.77

Finding the Fourth Proportional to 445,935.03, 615,387.21 and 241,980.77

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Solution

The fourth proportional to 445,935.03, 615,387.21 and 241,980.77 is: 333,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,935.03 : 615,387.21 = 241,980.77 : x
  2. Step 2: Convert to fraction form
    445,935.03/615,387.21 = 241,980.77/x
  3. Step 3: Cross multiply
    445,935.03x = 615,387.21 × 241,980.77
  4. Step 4: Simplify right side
    445,935.03x = 148,911,867,847.02
  5. Step 5: Solve for x
    x = 148,911,867,847.02/445,935.03
  6. Step 6: Final answer
    x = 333,931.76

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Half scale
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Double scale
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Similar ratio
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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.