Home / 818,441.52-1,129,271.22-496,230.84

Finding the Fourth Proportional to 818,441.52, 1,129,271.22 and 496,230.84

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Solution

The fourth proportional to 818,441.52, 1,129,271.22 and 496,230.84 is: 684,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,441.52 : 1,129,271.22 = 496,230.84 : x
  2. Step 2: Convert to fraction form
    818,441.52/1,129,271.22 = 496,230.84/x
  3. Step 3: Cross multiply
    818,441.52x = 1,129,271.22 × 496,230.84
  4. Step 4: Simplify right side
    818,441.52x = 560,379,206,088.43
  5. Step 5: Solve for x
    x = 560,379,206,088.43/818,441.52
  6. Step 6: Final answer
    x = 684,690.59

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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.