Home / 446,140.60-667,266.90-399,095.80

Finding the Fourth Proportional to 446,140.60, 667,266.90 and 399,095.80

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Solution

The fourth proportional to 446,140.60, 667,266.90 and 399,095.80 is: 596,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,140.60 : 667,266.90 = 399,095.80 : x
  2. Step 2: Convert to fraction form
    446,140.60/667,266.90 = 399,095.80/x
  3. Step 3: Cross multiply
    446,140.60x = 667,266.90 × 399,095.80
  4. Step 4: Simplify right side
    446,140.60x = 266,303,417,269.02
  5. Step 5: Solve for x
    x = 266,303,417,269.02/446,140.60
  6. Step 6: Final answer
    x = 596,904.69

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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.