Home / 810,205.04-1,118,067.36-447,644.72

Finding the Fourth Proportional to 810,205.04, 1,118,067.36 and 447,644.72

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Solution

The fourth proportional to 810,205.04, 1,118,067.36 and 447,644.72 is: 617,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,205.04 : 1,118,067.36 = 447,644.72 : x
  2. Step 2: Convert to fraction form
    810,205.04/1,118,067.36 = 447,644.72/x
  3. Step 3: Cross multiply
    810,205.04x = 1,118,067.36 × 447,644.72
  4. Step 4: Simplify right side
    810,205.04x = 500,496,950,308.34
  5. Step 5: Solve for x
    x = 500,496,950,308.34/810,205.04
  6. Step 6: Final answer
    x = 617,741.10

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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.