Home / 766,430.37-1,057,623.31-460,324.86

Finding the Fourth Proportional to 766,430.37, 1,057,623.31 and 460,324.86

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Solution

The fourth proportional to 766,430.37, 1,057,623.31 and 460,324.86 is: 635,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,430.37 : 1,057,623.31 = 460,324.86 : x
  2. Step 2: Convert to fraction form
    766,430.37/1,057,623.31 = 460,324.86/x
  3. Step 3: Cross multiply
    766,430.37x = 1,057,623.31 × 460,324.86
  4. Step 4: Simplify right side
    766,430.37x = 486,850,299,806.86
  5. Step 5: Solve for x
    x = 486,850,299,806.86/766,430.37
  6. Step 6: Final answer
    x = 635,217.92

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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.