Home / 751,256.90-1,036,728.57-411,724.34

Finding the Fourth Proportional to 751,256.90, 1,036,728.57 and 411,724.34

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Solution

The fourth proportional to 751,256.90, 1,036,728.57 and 411,724.34 is: 568,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,256.90 : 1,036,728.57 = 411,724.34 : x
  2. Step 2: Convert to fraction form
    751,256.90/1,036,728.57 = 411,724.34/x
  3. Step 3: Cross multiply
    751,256.90x = 1,036,728.57 × 411,724.34
  4. Step 4: Simplify right side
    751,256.90x = 426,846,386,242.39
  5. Step 5: Solve for x
    x = 426,846,386,242.39/751,256.90
  6. Step 6: Final answer
    x = 568,176.33

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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.