Home / 811,503.92-1,216,815.24-242,806.16

Finding the Fourth Proportional to 811,503.92, 1,216,815.24 and 242,806.16

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Solution

The fourth proportional to 811,503.92, 1,216,815.24 and 242,806.16 is: 364,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,503.92 : 1,216,815.24 = 242,806.16 : x
  2. Step 2: Convert to fraction form
    811,503.92/1,216,815.24 = 242,806.16/x
  3. Step 3: Cross multiply
    811,503.92x = 1,216,815.24 × 242,806.16
  4. Step 4: Simplify right side
    811,503.92x = 295,450,235,853.88
  5. Step 5: Solve for x
    x = 295,450,235,853.88/811,503.92
  6. Step 6: Final answer
    x = 364,077.40

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Double scale
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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.