Home / 892,186.08-1,231,174.80-484,278.72

Finding the Fourth Proportional to 892,186.08, 1,231,174.80 and 484,278.72

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Solution

The fourth proportional to 892,186.08, 1,231,174.80 and 484,278.72 is: 668,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,186.08 : 1,231,174.80 = 484,278.72 : x
  2. Step 2: Convert to fraction form
    892,186.08/1,231,174.80 = 484,278.72/x
  3. Step 3: Cross multiply
    892,186.08x = 1,231,174.80 × 484,278.72
  4. Step 4: Simplify right side
    892,186.08x = 596,231,756,240.26
  5. Step 5: Solve for x
    x = 596,231,756,240.26/892,186.08
  6. Step 6: Final answer
    x = 668,281.84

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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.