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Finding the Fourth Proportional to 922,716.20, 1,273,346.59 and 514,793.77

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Solution

The fourth proportional to 922,716.20, 1,273,346.59 and 514,793.77 is: 710,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,716.20 : 1,273,346.59 = 514,793.77 : x
  2. Step 2: Convert to fraction form
    922,716.20/1,273,346.59 = 514,793.77/x
  3. Step 3: Cross multiply
    922,716.20x = 1,273,346.59 × 514,793.77
  4. Step 4: Simplify right side
    922,716.20x = 655,510,891,582.74
  5. Step 5: Solve for x
    x = 655,510,891,582.74/922,716.20
  6. Step 6: Final answer
    x = 710,414.42

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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.