Home / 682,655.19-1,025,311.59-556,388.75

Finding the Fourth Proportional to 682,655.19, 1,025,311.59 and 556,388.75

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Solution

The fourth proportional to 682,655.19, 1,025,311.59 and 556,388.75 is: 835,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,655.19 : 1,025,311.59 = 556,388.75 : x
  2. Step 2: Convert to fraction form
    682,655.19/1,025,311.59 = 556,388.75/x
  3. Step 3: Cross multiply
    682,655.19x = 1,025,311.59 × 556,388.75
  4. Step 4: Simplify right side
    682,655.19x = 570,471,828,794.06
  5. Step 5: Solve for x
    x = 570,471,828,794.06/682,655.19
  6. Step 6: Final answer
    x = 835,666.14

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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.