Home / 856,381.58-1,181,811.08-483,846.17

Finding the Fourth Proportional to 856,381.58, 1,181,811.08 and 483,846.17

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Solution

The fourth proportional to 856,381.58, 1,181,811.08 and 483,846.17 is: 667,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,381.58 : 1,181,811.08 = 483,846.17 : x
  2. Step 2: Convert to fraction form
    856,381.58/1,181,811.08 = 483,846.17/x
  3. Step 3: Cross multiply
    856,381.58x = 1,181,811.08 × 483,846.17
  4. Step 4: Simplify right side
    856,381.58x = 571,814,756,393.28
  5. Step 5: Solve for x
    x = 571,814,756,393.28/856,381.58
  6. Step 6: Final answer
    x = 667,710.25

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Double scale
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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.