Home / 763,505.92-1,143,514.14-364,426.89

Finding the Fourth Proportional to 763,505.92, 1,143,514.14 and 364,426.89

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Solution

The fourth proportional to 763,505.92, 1,143,514.14 and 364,426.89 is: 545,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,505.92 : 1,143,514.14 = 364,426.89 : x
  2. Step 2: Convert to fraction form
    763,505.92/1,143,514.14 = 364,426.89/x
  3. Step 3: Cross multiply
    763,505.92x = 1,143,514.14 × 364,426.89
  4. Step 4: Simplify right side
    763,505.92x = 416,727,301,711.23
  5. Step 5: Solve for x
    x = 416,727,301,711.23/763,505.92
  6. Step 6: Final answer
    x = 545,807.56

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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.