Home / 822,443.92-1,233,669.56-289,676.16

Finding the Fourth Proportional to 822,443.92, 1,233,669.56 and 289,676.16

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Solution

The fourth proportional to 822,443.92, 1,233,669.56 and 289,676.16 is: 434,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,443.92 : 1,233,669.56 = 289,676.16 : x
  2. Step 2: Convert to fraction form
    822,443.92/1,233,669.56 = 289,676.16/x
  3. Step 3: Cross multiply
    822,443.92x = 1,233,669.56 × 289,676.16
  4. Step 4: Simplify right side
    822,443.92x = 357,364,660,849.69
  5. Step 5: Solve for x
    x = 357,364,660,849.69/822,443.92
  6. Step 6: Final answer
    x = 434,515.54

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Double scale
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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.