Home / 835,284.42-1,152,628.65-491,134.32

Finding the Fourth Proportional to 835,284.42, 1,152,628.65 and 491,134.32

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Solution

The fourth proportional to 835,284.42, 1,152,628.65 and 491,134.32 is: 677,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,284.42 : 1,152,628.65 = 491,134.32 : x
  2. Step 2: Convert to fraction form
    835,284.42/1,152,628.65 = 491,134.32/x
  3. Step 3: Cross multiply
    835,284.42x = 1,152,628.65 × 491,134.32
  4. Step 4: Simplify right side
    835,284.42x = 566,095,488,230.27
  5. Step 5: Solve for x
    x = 566,095,488,230.27/835,284.42
  6. Step 6: Final answer
    x = 677,727.82

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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.