Home / 746,549.10-1,119,823.65-273,282.30

Finding the Fourth Proportional to 746,549.10, 1,119,823.65 and 273,282.30

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Solution

The fourth proportional to 746,549.10, 1,119,823.65 and 273,282.30 is: 409,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,549.10 : 1,119,823.65 = 273,282.30 : x
  2. Step 2: Convert to fraction form
    746,549.10/1,119,823.65 = 273,282.30/x
  3. Step 3: Cross multiply
    746,549.10x = 1,119,823.65 × 273,282.30
  4. Step 4: Simplify right side
    746,549.10x = 306,027,982,666.40
  5. Step 5: Solve for x
    x = 306,027,982,666.40/746,549.10
  6. Step 6: Final answer
    x = 409,923.45

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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.