Home / 777,801.30-1,073,861.19-634,901.10

Finding the Fourth Proportional to 777,801.30, 1,073,861.19 and 634,901.10

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Solution

The fourth proportional to 777,801.30, 1,073,861.19 and 634,901.10 is: 876,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,801.30 : 1,073,861.19 = 634,901.10 : x
  2. Step 2: Convert to fraction form
    777,801.30/1,073,861.19 = 634,901.10/x
  3. Step 3: Cross multiply
    777,801.30x = 1,073,861.19 × 634,901.10
  4. Step 4: Simplify right side
    777,801.30x = 681,795,650,778.31
  5. Step 5: Solve for x
    x = 681,795,650,778.31/777,801.30
  6. Step 6: Final answer
    x = 876,567.90

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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.