Home / 509,501.60-764,259.66-193,975.82

Finding the Fourth Proportional to 509,501.60, 764,259.66 and 193,975.82

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Solution

The fourth proportional to 509,501.60, 764,259.66 and 193,975.82 is: 290,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,501.60 : 764,259.66 = 193,975.82 : x
  2. Step 2: Convert to fraction form
    509,501.60/764,259.66 = 193,975.82/x
  3. Step 3: Cross multiply
    509,501.60x = 764,259.66 × 193,975.82
  4. Step 4: Simplify right side
    509,501.60x = 148,247,894,241.42
  5. Step 5: Solve for x
    x = 148,247,894,241.42/509,501.60
  6. Step 6: Final answer
    x = 290,966.49

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1.5x scale

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.