Home / 509,932.48-764,898.56-154,945.28

Finding the Fourth Proportional to 509,932.48, 764,898.56 and 154,945.28

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Solution

The fourth proportional to 509,932.48, 764,898.56 and 154,945.28 is: 232,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,932.48 : 764,898.56 = 154,945.28 : x
  2. Step 2: Convert to fraction form
    509,932.48/764,898.56 = 154,945.28/x
  3. Step 3: Cross multiply
    509,932.48x = 764,898.56 × 154,945.28
  4. Step 4: Simplify right side
    509,932.48x = 118,517,421,550.80
  5. Step 5: Solve for x
    x = 118,517,421,550.80/509,932.48
  6. Step 6: Final answer
    x = 232,417.87

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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.