Home / 703,310.80-1,054,966.20-230,011.60

Finding the Fourth Proportional to 703,310.80, 1,054,966.20 and 230,011.60

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Solution

The fourth proportional to 703,310.80, 1,054,966.20 and 230,011.60 is: 345,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,310.80 : 1,054,966.20 = 230,011.60 : x
  2. Step 2: Convert to fraction form
    703,310.80/1,054,966.20 = 230,011.60/x
  3. Step 3: Cross multiply
    703,310.80x = 1,054,966.20 × 230,011.60
  4. Step 4: Simplify right side
    703,310.80x = 242,654,463,607.92
  5. Step 5: Solve for x
    x = 242,654,463,607.92/703,310.80
  6. Step 6: Final answer
    x = 345,017.40

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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.