Home / 753,966.72-1,130,949.36-193,000.32

Finding the Fourth Proportional to 753,966.72, 1,130,949.36 and 193,000.32

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Solution

The fourth proportional to 753,966.72, 1,130,949.36 and 193,000.32 is: 289,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,966.72 : 1,130,949.36 = 193,000.32 : x
  2. Step 2: Convert to fraction form
    753,966.72/1,130,949.36 = 193,000.32/x
  3. Step 3: Cross multiply
    753,966.72x = 1,130,949.36 × 193,000.32
  4. Step 4: Simplify right side
    753,966.72x = 218,273,588,383.80
  5. Step 5: Solve for x
    x = 218,273,588,383.80/753,966.72
  6. Step 6: Final answer
    x = 289,500.30

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