Home / 1,232,379.38-1,700,652.21-688,519.25

Finding the Fourth Proportional to 1,232,379.38, 1,700,652.21 and 688,519.25

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Solution

The fourth proportional to 1,232,379.38, 1,700,652.21 and 688,519.25 is: 950,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,379.38 : 1,700,652.21 = 688,519.25 : x
  2. Step 2: Convert to fraction form
    1,232,379.38/1,700,652.21 = 688,519.25/x
  3. Step 3: Cross multiply
    1,232,379.38x = 1,700,652.21 × 688,519.25
  4. Step 4: Simplify right side
    1,232,379.38x = 1,170,931,784,140.04
  5. Step 5: Solve for x
    x = 1,170,931,784,140.04/1,232,379.38
  6. Step 6: Final answer
    x = 950,139.06

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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.