Home / 746,513.10-1,119,769.65-273,246.30

Finding the Fourth Proportional to 746,513.10, 1,119,769.65 and 273,246.30

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Solution

The fourth proportional to 746,513.10, 1,119,769.65 and 273,246.30 is: 409,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,513.10 : 1,119,769.65 = 273,246.30 : x
  2. Step 2: Convert to fraction form
    746,513.10/1,119,769.65 = 273,246.30/x
  3. Step 3: Cross multiply
    746,513.10x = 1,119,769.65 × 273,246.30
  4. Step 4: Simplify right side
    746,513.10x = 305,972,913,714.80
  5. Step 5: Solve for x
    x = 305,972,913,714.80/746,513.10
  6. Step 6: Final answer
    x = 409,869.45

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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.