Home / 841,825.78-1,161,676.14-459,778.75

Finding the Fourth Proportional to 841,825.78, 1,161,676.14 and 459,778.75

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Solution

The fourth proportional to 841,825.78, 1,161,676.14 and 459,778.75 is: 634,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,825.78 : 1,161,676.14 = 459,778.75 : x
  2. Step 2: Convert to fraction form
    841,825.78/1,161,676.14 = 459,778.75/x
  3. Step 3: Cross multiply
    841,825.78x = 1,161,676.14 × 459,778.75
  4. Step 4: Simplify right side
    841,825.78x = 534,114,003,554.03
  5. Step 5: Solve for x
    x = 534,114,003,554.03/841,825.78
  6. Step 6: Final answer
    x = 634,470.95

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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.