Home / 786,386.20-1,084,492.83-582,943.90

Finding the Fourth Proportional to 786,386.20, 1,084,492.83 and 582,943.90

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Solution

The fourth proportional to 786,386.20, 1,084,492.83 and 582,943.90 is: 803,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,386.20 : 1,084,492.83 = 582,943.90 : x
  2. Step 2: Convert to fraction form
    786,386.20/1,084,492.83 = 582,943.90/x
  3. Step 3: Cross multiply
    786,386.20x = 1,084,492.83 × 582,943.90
  4. Step 4: Simplify right side
    786,386.20x = 632,198,479,842.24
  5. Step 5: Solve for x
    x = 632,198,479,842.24/786,386.20
  6. Step 6: Final answer
    x = 803,928.76

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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.