Home / 509,913.48-764,869.38-242,864.04

Finding the Fourth Proportional to 509,913.48, 764,869.38 and 242,864.04

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Solution

The fourth proportional to 509,913.48, 764,869.38 and 242,864.04 is: 364,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,913.48 : 764,869.38 = 242,864.04 : x
  2. Step 2: Convert to fraction form
    509,913.48/764,869.38 = 242,864.04/x
  3. Step 3: Cross multiply
    509,913.48x = 764,869.38 × 242,864.04
  4. Step 4: Simplify right side
    509,913.48x = 185,759,267,699.10
  5. Step 5: Solve for x
    x = 185,759,267,699.10/509,913.48
  6. Step 6: Final answer
    x = 364,295.66

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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.