Home / 852,139.20-1,176,378.22-529,953.08

Finding the Fourth Proportional to 852,139.20, 1,176,378.22 and 529,953.08

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Solution

The fourth proportional to 852,139.20, 1,176,378.22 and 529,953.08 is: 731,600.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,139.20 : 1,176,378.22 = 529,953.08 : x
  2. Step 2: Convert to fraction form
    852,139.20/1,176,378.22 = 529,953.08/x
  3. Step 3: Cross multiply
    852,139.20x = 1,176,378.22 × 529,953.08
  4. Step 4: Simplify right side
    852,139.20x = 623,425,260,933.92
  5. Step 5: Solve for x
    x = 623,425,260,933.92/852,139.20
  6. Step 6: Final answer
    x = 731,600.26

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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.