Home / 830,042.48-1,145,446.44-467,467.04

Finding the Fourth Proportional to 830,042.48, 1,145,446.44 and 467,467.04

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Solution

The fourth proportional to 830,042.48, 1,145,446.44 and 467,467.04 is: 645,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,042.48 : 1,145,446.44 = 467,467.04 : x
  2. Step 2: Convert to fraction form
    830,042.48/1,145,446.44 = 467,467.04/x
  3. Step 3: Cross multiply
    830,042.48x = 1,145,446.44 × 467,467.04
  4. Step 4: Simplify right side
    830,042.48x = 535,458,456,785.34
  5. Step 5: Solve for x
    x = 535,458,456,785.34/830,042.48
  6. Step 6: Final answer
    x = 645,097.65

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.