Home / 810,235.55-1,118,169.90-447,651.63

Finding the Fourth Proportional to 810,235.55, 1,118,169.90 and 447,651.63

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Solution

The fourth proportional to 810,235.55, 1,118,169.90 and 447,651.63 is: 617,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,235.55 : 1,118,169.90 = 447,651.63 : x
  2. Step 2: Convert to fraction form
    810,235.55/1,118,169.90 = 447,651.63/x
  3. Step 3: Cross multiply
    810,235.55x = 1,118,169.90 × 447,651.63
  4. Step 4: Simplify right side
    810,235.55x = 500,550,578,351.94
  5. Step 5: Solve for x
    x = 500,550,578,351.94/810,235.55
  6. Step 6: Final answer
    x = 617,784.03

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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.