Home / 939,467.29-1,296,460.51-509,746.36

Finding the Fourth Proportional to 939,467.29, 1,296,460.51 and 509,746.36

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Solution

The fourth proportional to 939,467.29, 1,296,460.51 and 509,746.36 is: 703,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,467.29 : 1,296,460.51 = 509,746.36 : x
  2. Step 2: Convert to fraction form
    939,467.29/1,296,460.51 = 509,746.36/x
  3. Step 3: Cross multiply
    939,467.29x = 1,296,460.51 × 509,746.36
  4. Step 4: Simplify right side
    939,467.29x = 660,866,025,856.24
  5. Step 5: Solve for x
    x = 660,866,025,856.24/939,467.29
  6. Step 6: Final answer
    x = 703,447.62

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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.