Home / 832,288.68-1,148,562.32-469,727.82

Finding the Fourth Proportional to 832,288.68, 1,148,562.32 and 469,727.82

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Solution

The fourth proportional to 832,288.68, 1,148,562.32 and 469,727.82 is: 648,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,288.68 : 1,148,562.32 = 469,727.82 : x
  2. Step 2: Convert to fraction form
    832,288.68/1,148,562.32 = 469,727.82/x
  3. Step 3: Cross multiply
    832,288.68x = 1,148,562.32 × 469,727.82
  4. Step 4: Simplify right side
    832,288.68x = 539,511,672,359.10
  5. Step 5: Solve for x
    x = 539,511,672,359.10/832,288.68
  6. Step 6: Final answer
    x = 648,226.61

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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.