Home / 1,072,550.70-1,609,042.05-314,390.70

Finding the Fourth Proportional to 1,072,550.70, 1,609,042.05 and 314,390.70

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Solution

The fourth proportional to 1,072,550.70, 1,609,042.05 and 314,390.70 is: 471,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,550.70 : 1,609,042.05 = 314,390.70 : x
  2. Step 2: Convert to fraction form
    1,072,550.70/1,609,042.05 = 314,390.70/x
  3. Step 3: Cross multiply
    1,072,550.70x = 1,609,042.05 × 314,390.70
  4. Step 4: Simplify right side
    1,072,550.70x = 505,867,856,428.94
  5. Step 5: Solve for x
    x = 505,867,856,428.94/1,072,550.70
  6. Step 6: Final answer
    x = 471,649.36

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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.