Home / 753,324.90-1,129,987.35-332,516.94

Finding the Fourth Proportional to 753,324.90, 1,129,987.35 and 332,516.94

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Solution

The fourth proportional to 753,324.90, 1,129,987.35 and 332,516.94 is: 498,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,324.90 : 1,129,987.35 = 332,516.94 : x
  2. Step 2: Convert to fraction form
    753,324.90/1,129,987.35 = 332,516.94/x
  3. Step 3: Cross multiply
    753,324.90x = 1,129,987.35 × 332,516.94
  4. Step 4: Simplify right side
    753,324.90x = 375,739,935,860.71
  5. Step 5: Solve for x
    x = 375,739,935,860.71/753,324.90
  6. Step 6: Final answer
    x = 498,775.41

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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.