Home / 776,105.04-1,164,157.86-349,142.14

Finding the Fourth Proportional to 776,105.04, 1,164,157.86 and 349,142.14

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Solution

The fourth proportional to 776,105.04, 1,164,157.86 and 349,142.14 is: 523,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,105.04 : 1,164,157.86 = 349,142.14 : x
  2. Step 2: Convert to fraction form
    776,105.04/1,164,157.86 = 349,142.14/x
  3. Step 3: Cross multiply
    776,105.04x = 1,164,157.86 × 349,142.14
  4. Step 4: Simplify right side
    776,105.04x = 406,456,566,538.22
  5. Step 5: Solve for x
    x = 406,456,566,538.22/776,105.04
  6. Step 6: Final answer
    x = 523,713.34

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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.