Home / 779,901.92-1,170,318.96-716,449.76

Finding the Fourth Proportional to 779,901.92, 1,170,318.96 and 716,449.76

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Solution

The fourth proportional to 779,901.92, 1,170,318.96 and 716,449.76 is: 1,075,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,901.92 : 1,170,318.96 = 716,449.76 : x
  2. Step 2: Convert to fraction form
    779,901.92/1,170,318.96 = 716,449.76/x
  3. Step 3: Cross multiply
    779,901.92x = 1,170,318.96 × 716,449.76
  4. Step 4: Simplify right side
    779,901.92x = 838,474,738,015.45
  5. Step 5: Solve for x
    x = 838,474,738,015.45/779,901.92
  6. Step 6: Final answer
    x = 1,075,102.80

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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.