Home / 772,778.25-1,066,071.11-546,548.49

Finding the Fourth Proportional to 772,778.25, 1,066,071.11 and 546,548.49

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Solution

The fourth proportional to 772,778.25, 1,066,071.11 and 546,548.49 is: 753,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,778.25 : 1,066,071.11 = 546,548.49 : x
  2. Step 2: Convert to fraction form
    772,778.25/1,066,071.11 = 546,548.49/x
  3. Step 3: Cross multiply
    772,778.25x = 1,066,071.11 × 546,548.49
  4. Step 4: Simplify right side
    772,778.25x = 582,659,552,670.38
  5. Step 5: Solve for x
    x = 582,659,552,670.38/772,778.25
  6. Step 6: Final answer
    x = 753,980.27

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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.