Home / 807,322.11-1,115,237.69-764,806.83

Finding the Fourth Proportional to 807,322.11, 1,115,237.69 and 764,806.83

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Solution

The fourth proportional to 807,322.11, 1,115,237.69 and 764,806.83 is: 1,056,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,322.11 : 1,115,237.69 = 764,806.83 : x
  2. Step 2: Convert to fraction form
    807,322.11/1,115,237.69 = 764,806.83/x
  3. Step 3: Cross multiply
    807,322.11x = 1,115,237.69 × 764,806.83
  4. Step 4: Simplify right side
    807,322.11x = 852,941,402,385.42
  5. Step 5: Solve for x
    x = 852,941,402,385.42/807,322.11
  6. Step 6: Final answer
    x = 1,056,506.93

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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.