Home / 945,217.60-1,417,826.40-520,064.80

Finding the Fourth Proportional to 945,217.60, 1,417,826.40 and 520,064.80

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Solution

The fourth proportional to 945,217.60, 1,417,826.40 and 520,064.80 is: 780,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,217.60 : 1,417,826.40 = 520,064.80 : x
  2. Step 2: Convert to fraction form
    945,217.60/1,417,826.40 = 520,064.80/x
  3. Step 3: Cross multiply
    945,217.60x = 1,417,826.40 × 520,064.80
  4. Step 4: Simplify right side
    945,217.60x = 737,361,603,150.72
  5. Step 5: Solve for x
    x = 737,361,603,150.72/945,217.60
  6. Step 6: Final answer
    x = 780,097.20

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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.