Home / 852,155.78-1,176,401.07-529,969.68

Finding the Fourth Proportional to 852,155.78, 1,176,401.07 and 529,969.68

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Solution

The fourth proportional to 852,155.78, 1,176,401.07 and 529,969.68 is: 731,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,155.78 : 1,176,401.07 = 529,969.68 : x
  2. Step 2: Convert to fraction form
    852,155.78/1,176,401.07 = 529,969.68/x
  3. Step 3: Cross multiply
    852,155.78x = 1,176,401.07 × 529,969.68
  4. Step 4: Simplify right side
    852,155.78x = 623,456,898,619.56
  5. Step 5: Solve for x
    x = 623,456,898,619.56/852,155.78
  6. Step 6: Final answer
    x = 731,623.16

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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.