Home / 662,516.40-993,904.20-283,436.40

Finding the Fourth Proportional to 662,516.40, 993,904.20 and 283,436.40

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Solution

The fourth proportional to 662,516.40, 993,904.20 and 283,436.40 is: 425,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,516.40 : 993,904.20 = 283,436.40 : x
  2. Step 2: Convert to fraction form
    662,516.40/993,904.20 = 283,436.40/x
  3. Step 3: Cross multiply
    662,516.40x = 993,904.20 × 283,436.40
  4. Step 4: Simplify right side
    662,516.40x = 281,708,628,392.88
  5. Step 5: Solve for x
    x = 281,708,628,392.88/662,516.40
  6. Step 6: Final answer
    x = 425,210.05

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.