Home / 722,706.10-1,084,059.15-368,412.10

Finding the Fourth Proportional to 722,706.10, 1,084,059.15 and 368,412.10

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Solution

The fourth proportional to 722,706.10, 1,084,059.15 and 368,412.10 is: 552,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,706.10 : 1,084,059.15 = 368,412.10 : x
  2. Step 2: Convert to fraction form
    722,706.10/1,084,059.15 = 368,412.10/x
  3. Step 3: Cross multiply
    722,706.10x = 1,084,059.15 × 368,412.10
  4. Step 4: Simplify right side
    722,706.10x = 399,380,507,975.72
  5. Step 5: Solve for x
    x = 399,380,507,975.72/722,706.10
  6. Step 6: Final answer
    x = 552,618.15

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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.