Home / 1,072,590.75-1,608,886.13-398,841.66

Finding the Fourth Proportional to 1,072,590.75, 1,608,886.13 and 398,841.66

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Solution

The fourth proportional to 1,072,590.75, 1,608,886.13 and 398,841.66 is: 598,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,590.75 : 1,608,886.13 = 398,841.66 : x
  2. Step 2: Convert to fraction form
    1,072,590.75/1,608,886.13 = 398,841.66/x
  3. Step 3: Cross multiply
    1,072,590.75x = 1,608,886.13 × 398,841.66
  4. Step 4: Simplify right side
    1,072,590.75x = 641,690,812,845.97
  5. Step 5: Solve for x
    x = 641,690,812,845.97/1,072,590.75
  6. Step 6: Final answer
    x = 598,262.49

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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.