Home / 907,105.75-1,360,895.89-338,491.82

Finding the Fourth Proportional to 907,105.75, 1,360,895.89 and 338,491.82

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Solution

The fourth proportional to 907,105.75, 1,360,895.89 and 338,491.82 is: 507,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,105.75 : 1,360,895.89 = 338,491.82 : x
  2. Step 2: Convert to fraction form
    907,105.75/1,360,895.89 = 338,491.82/x
  3. Step 3: Cross multiply
    907,105.75x = 1,360,895.89 × 338,491.82
  4. Step 4: Simplify right side
    907,105.75x = 460,652,121,220.26
  5. Step 5: Solve for x
    x = 460,652,121,220.26/907,105.75
  6. Step 6: Final answer
    x = 507,826.26

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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.