Home / 762,276.99-1,051,934.94-418,105.77

Finding the Fourth Proportional to 762,276.99, 1,051,934.94 and 418,105.77

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Solution

The fourth proportional to 762,276.99, 1,051,934.94 and 418,105.77 is: 576,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,276.99 : 1,051,934.94 = 418,105.77 : x
  2. Step 2: Convert to fraction form
    762,276.99/1,051,934.94 = 418,105.77/x
  3. Step 3: Cross multiply
    762,276.99x = 1,051,934.94 × 418,105.77
  4. Step 4: Simplify right side
    762,276.99x = 439,820,068,078.60
  5. Step 5: Solve for x
    x = 439,820,068,078.60/762,276.99
  6. Step 6: Final answer
    x = 576,981.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.