Home / 922,015.43-1,272,396.97-508,599.67

Finding the Fourth Proportional to 922,015.43, 1,272,396.97 and 508,599.67

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Solution

The fourth proportional to 922,015.43, 1,272,396.97 and 508,599.67 is: 701,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,015.43 : 1,272,396.97 = 508,599.67 : x
  2. Step 2: Convert to fraction form
    922,015.43/1,272,396.97 = 508,599.67/x
  3. Step 3: Cross multiply
    922,015.43x = 1,272,396.97 × 508,599.67
  4. Step 4: Simplify right side
    922,015.43x = 647,140,672,689.02
  5. Step 5: Solve for x
    x = 647,140,672,689.02/922,015.43
  6. Step 6: Final answer
    x = 701,876.19

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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.