Home / 1,582,069.20-2,372,520.60-783,085.20

Finding the Fourth Proportional to 1,582,069.20, 2,372,520.60 and 783,085.20

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Solution

The fourth proportional to 1,582,069.20, 2,372,520.60 and 783,085.20 is: 1,174,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,069.20 : 2,372,520.60 = 783,085.20 : x
  2. Step 2: Convert to fraction form
    1,582,069.20/2,372,520.60 = 783,085.20/x
  3. Step 3: Cross multiply
    1,582,069.20x = 2,372,520.60 × 783,085.20
  4. Step 4: Simplify right side
    1,582,069.20x = 1,857,885,768,555.12
  5. Step 5: Solve for x
    x = 1,857,885,768,555.12/1,582,069.20
  6. Step 6: Final answer
    x = 1,174,339.13

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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.