Home / 1,059,563.70-1,589,345.55-311,609.70

Finding the Fourth Proportional to 1,059,563.70, 1,589,345.55 and 311,609.70

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Solution

The fourth proportional to 1,059,563.70, 1,589,345.55 and 311,609.70 is: 467,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,563.70 : 1,589,345.55 = 311,609.70 : x
  2. Step 2: Convert to fraction form
    1,059,563.70/1,589,345.55 = 311,609.70/x
  3. Step 3: Cross multiply
    1,059,563.70x = 1,589,345.55 × 311,609.70
  4. Step 4: Simplify right side
    1,059,563.70x = 495,255,490,031.84
  5. Step 5: Solve for x
    x = 495,255,490,031.84/1,059,563.70
  6. Step 6: Final answer
    x = 467,414.55

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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.