Home / 709,030.80-1,063,546.20-681,474.60

Finding the Fourth Proportional to 709,030.80, 1,063,546.20 and 681,474.60

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Solution

The fourth proportional to 709,030.80, 1,063,546.20 and 681,474.60 is: 1,022,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,030.80 : 1,063,546.20 = 681,474.60 : x
  2. Step 2: Convert to fraction form
    709,030.80/1,063,546.20 = 681,474.60/x
  3. Step 3: Cross multiply
    709,030.80x = 1,063,546.20 × 681,474.60
  4. Step 4: Simplify right side
    709,030.80x = 724,779,721,226.52
  5. Step 5: Solve for x
    x = 724,779,721,226.52/709,030.80
  6. Step 6: Final answer
    x = 1,022,211.90

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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.