Home / 938,647.20-1,295,325.30-530,829.12

Finding the Fourth Proportional to 938,647.20, 1,295,325.30 and 530,829.12

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Solution

The fourth proportional to 938,647.20, 1,295,325.30 and 530,829.12 is: 732,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,647.20 : 1,295,325.30 = 530,829.12 : x
  2. Step 2: Convert to fraction form
    938,647.20/1,295,325.30 = 530,829.12/x
  3. Step 3: Cross multiply
    938,647.20x = 1,295,325.30 × 530,829.12
  4. Step 4: Simplify right side
    938,647.20x = 687,596,389,112.74
  5. Step 5: Solve for x
    x = 687,596,389,112.74/938,647.20
  6. Step 6: Final answer
    x = 732,539.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.