Home / 1,108,920.85-1,530,328.41-625,495.61

Finding the Fourth Proportional to 1,108,920.85, 1,530,328.41 and 625,495.61

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Solution

The fourth proportional to 1,108,920.85, 1,530,328.41 and 625,495.61 is: 863,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,920.85 : 1,530,328.41 = 625,495.61 : x
  2. Step 2: Convert to fraction form
    1,108,920.85/1,530,328.41 = 625,495.61/x
  3. Step 3: Cross multiply
    1,108,920.85x = 1,530,328.41 × 625,495.61
  4. Step 4: Simplify right side
    1,108,920.85x = 957,213,706,139.10
  5. Step 5: Solve for x
    x = 957,213,706,139.10/1,108,920.85
  6. Step 6: Final answer
    x = 863,193.90

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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.