Home / 810,288.21-1,118,191.18-447,710.61

Finding the Fourth Proportional to 810,288.21, 1,118,191.18 and 447,710.61

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Solution

The fourth proportional to 810,288.21, 1,118,191.18 and 447,710.61 is: 617,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,288.21 : 1,118,191.18 = 447,710.61 : x
  2. Step 2: Convert to fraction form
    810,288.21/1,118,191.18 = 447,710.61/x
  3. Step 3: Cross multiply
    810,288.21x = 1,118,191.18 × 447,710.61
  4. Step 4: Simplify right side
    810,288.21x = 500,626,055,294.42
  5. Step 5: Solve for x
    x = 500,626,055,294.42/810,288.21
  6. Step 6: Final answer
    x = 617,837.02

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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.