Home / 739,167.97-1,020,051.69-399,636.22

Finding the Fourth Proportional to 739,167.97, 1,020,051.69 and 399,636.22

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Solution

The fourth proportional to 739,167.97, 1,020,051.69 and 399,636.22 is: 551,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,167.97 : 1,020,051.69 = 399,636.22 : x
  2. Step 2: Convert to fraction form
    739,167.97/1,020,051.69 = 399,636.22/x
  3. Step 3: Cross multiply
    739,167.97x = 1,020,051.69 × 399,636.22
  4. Step 4: Simplify right side
    739,167.97x = 407,649,601,596.21
  5. Step 5: Solve for x
    x = 407,649,601,596.21/739,167.97
  6. Step 6: Final answer
    x = 551,497.92

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Double scale
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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.