Home / 856,322.25-1,181,724.71-474,373.77

Finding the Fourth Proportional to 856,322.25, 1,181,724.71 and 474,373.77

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Solution

The fourth proportional to 856,322.25, 1,181,724.71 and 474,373.77 is: 654,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,322.25 : 1,181,724.71 = 474,373.77 : x
  2. Step 2: Convert to fraction form
    856,322.25/1,181,724.71 = 474,373.77/x
  3. Step 3: Cross multiply
    856,322.25x = 1,181,724.71 × 474,373.77
  4. Step 4: Simplify right side
    856,322.25x = 560,579,205,784.86
  5. Step 5: Solve for x
    x = 560,579,205,784.86/856,322.25
  6. Step 6: Final answer
    x = 654,635.81

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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.