Home / 810,223.92-1,118,120.72-447,656.13

Finding the Fourth Proportional to 810,223.92, 1,118,120.72 and 447,656.13

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Solution

The fourth proportional to 810,223.92, 1,118,120.72 and 447,656.13 is: 617,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,223.92 : 1,118,120.72 = 447,656.13 : x
  2. Step 2: Convert to fraction form
    810,223.92/1,118,120.72 = 447,656.13/x
  3. Step 3: Cross multiply
    810,223.92x = 1,118,120.72 × 447,656.13
  4. Step 4: Simplify right side
    810,223.92x = 500,533,592,149.73
  5. Step 5: Solve for x
    x = 500,533,592,149.73/810,223.92
  6. Step 6: Final answer
    x = 617,771.93

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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.