Home / 772,927.20-1,159,877.20-329,688.80

Finding the Fourth Proportional to 772,927.20, 1,159,877.20 and 329,688.80

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Solution

The fourth proportional to 772,927.20, 1,159,877.20 and 329,688.80 is: 494,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,927.20 : 1,159,877.20 = 329,688.80 : x
  2. Step 2: Convert to fraction form
    772,927.20/1,159,877.20 = 329,688.80/x
  3. Step 3: Cross multiply
    772,927.20x = 1,159,877.20 × 329,688.80
  4. Step 4: Simplify right side
    772,927.20x = 382,398,522,215.36
  5. Step 5: Solve for x
    x = 382,398,522,215.36/772,927.20
  6. Step 6: Final answer
    x = 494,740.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.