Home / 509,779.68-764,619.85-154,796.77

Finding the Fourth Proportional to 509,779.68, 764,619.85 and 154,796.77

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Solution

The fourth proportional to 509,779.68, 764,619.85 and 154,796.77 is: 232,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,779.68 : 764,619.85 = 154,796.77 : x
  2. Step 2: Convert to fraction form
    509,779.68/764,619.85 = 154,796.77/x
  3. Step 3: Cross multiply
    509,779.68x = 764,619.85 × 154,796.77
  4. Step 4: Simplify right side
    509,779.68x = 118,360,684,207.16
  5. Step 5: Solve for x
    x = 118,360,684,207.16/509,779.68
  6. Step 6: Final answer
    x = 232,180.08

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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.