Home / 461,259.21-691,913.40-436,015.77

Finding the Fourth Proportional to 461,259.21, 691,913.40 and 436,015.77

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Solution

The fourth proportional to 461,259.21, 691,913.40 and 436,015.77 is: 654,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,259.21 : 691,913.40 = 436,015.77 : x
  2. Step 2: Convert to fraction form
    461,259.21/691,913.40 = 436,015.77/x
  3. Step 3: Cross multiply
    461,259.21x = 691,913.40 × 436,015.77
  4. Step 4: Simplify right side
    461,259.21x = 301,685,153,874.32
  5. Step 5: Solve for x
    x = 301,685,153,874.32/461,259.21
  6. Step 6: Final answer
    x = 654,046.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.