Home / 1,155,163.20-1,731,578.40-524,529.60

Finding the Fourth Proportional to 1,155,163.20, 1,731,578.40 and 524,529.60

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Solution

The fourth proportional to 1,155,163.20, 1,731,578.40 and 524,529.60 is: 786,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,163.20 : 1,731,578.40 = 524,529.60 : x
  2. Step 2: Convert to fraction form
    1,155,163.20/1,731,578.40 = 524,529.60/x
  3. Step 3: Cross multiply
    1,155,163.20x = 1,731,578.40 × 524,529.60
  4. Step 4: Simplify right side
    1,155,163.20x = 908,264,125,520.64
  5. Step 5: Solve for x
    x = 908,264,125,520.64/1,155,163.20
  6. Step 6: Final answer
    x = 786,264.77

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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.