Home / 699,135.93-964,940.24-437,612.59

Finding the Fourth Proportional to 699,135.93, 964,940.24 and 437,612.59

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Solution

The fourth proportional to 699,135.93, 964,940.24 and 437,612.59 is: 603,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,135.93 : 964,940.24 = 437,612.59 : x
  2. Step 2: Convert to fraction form
    699,135.93/964,940.24 = 437,612.59/x
  3. Step 3: Cross multiply
    699,135.93x = 964,940.24 × 437,612.59
  4. Step 4: Simplify right side
    699,135.93x = 422,269,998,075.65
  5. Step 5: Solve for x
    x = 422,269,998,075.65/699,135.93
  6. Step 6: Final answer
    x = 603,988.41

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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.