Home / 753,174.44-1,039,388.93-413,642.69

Finding the Fourth Proportional to 753,174.44, 1,039,388.93 and 413,642.69

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Solution

The fourth proportional to 753,174.44, 1,039,388.93 and 413,642.69 is: 570,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,174.44 : 1,039,388.93 = 413,642.69 : x
  2. Step 2: Convert to fraction form
    753,174.44/1,039,388.93 = 413,642.69/x
  3. Step 3: Cross multiply
    753,174.44x = 1,039,388.93 × 413,642.69
  4. Step 4: Simplify right side
    753,174.44x = 429,935,632,961.42
  5. Step 5: Solve for x
    x = 429,935,632,961.42/753,174.44
  6. Step 6: Final answer
    x = 570,831.42

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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.