Home / 640,027.53-882,575.06-549,682.29

Finding the Fourth Proportional to 640,027.53, 882,575.06 and 549,682.29

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Solution

The fourth proportional to 640,027.53, 882,575.06 and 549,682.29 is: 757,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,027.53 : 882,575.06 = 549,682.29 : x
  2. Step 2: Convert to fraction form
    640,027.53/882,575.06 = 549,682.29/x
  3. Step 3: Cross multiply
    640,027.53x = 882,575.06 × 549,682.29
  4. Step 4: Simplify right side
    640,027.53x = 485,135,877,329.28
  5. Step 5: Solve for x
    x = 485,135,877,329.28/640,027.53
  6. Step 6: Final answer
    x = 757,992.20

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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.