Home / 779,961.29-1,076,353.70-457,676.75

Finding the Fourth Proportional to 779,961.29, 1,076,353.70 and 457,676.75

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Solution

The fourth proportional to 779,961.29, 1,076,353.70 and 457,676.75 is: 631,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,961.29 : 1,076,353.70 = 457,676.75 : x
  2. Step 2: Convert to fraction form
    779,961.29/1,076,353.70 = 457,676.75/x
  3. Step 3: Cross multiply
    779,961.29x = 1,076,353.70 × 457,676.75
  4. Step 4: Simplify right side
    779,961.29x = 492,622,063,668.98
  5. Step 5: Solve for x
    x = 492,622,063,668.98/779,961.29
  6. Step 6: Final answer
    x = 631,598.10

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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.