Home / 694,840.18-959,477.87-437,146.65

Finding the Fourth Proportional to 694,840.18, 959,477.87 and 437,146.65

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Solution

The fourth proportional to 694,840.18, 959,477.87 and 437,146.65 is: 603,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,840.18 : 959,477.87 = 437,146.65 : x
  2. Step 2: Convert to fraction form
    694,840.18/959,477.87 = 437,146.65/x
  3. Step 3: Cross multiply
    694,840.18x = 959,477.87 × 437,146.65
  4. Step 4: Simplify right side
    694,840.18x = 419,432,536,619.64
  5. Step 5: Solve for x
    x = 419,432,536,619.64/694,840.18
  6. Step 6: Final answer
    x = 603,638.86

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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.