Home / 751,049.47-1,036,448.90-411,517.72

Finding the Fourth Proportional to 751,049.47, 1,036,448.90 and 411,517.72

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Solution

The fourth proportional to 751,049.47, 1,036,448.90 and 411,517.72 is: 567,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,049.47 : 1,036,448.90 = 411,517.72 : x
  2. Step 2: Convert to fraction form
    751,049.47/1,036,448.90 = 411,517.72/x
  3. Step 3: Cross multiply
    751,049.47x = 1,036,448.90 × 411,517.72
  4. Step 4: Simplify right side
    751,049.47x = 426,517,088,224.51
  5. Step 5: Solve for x
    x = 426,517,088,224.51/751,049.47
  6. Step 6: Final answer
    x = 567,894.80

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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.