Home / 437,136.04-603,314.34-315,033.40

Finding the Fourth Proportional to 437,136.04, 603,314.34 and 315,033.40

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Solution

The fourth proportional to 437,136.04, 603,314.34 and 315,033.40 is: 434,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,136.04 : 603,314.34 = 315,033.40 : x
  2. Step 2: Convert to fraction form
    437,136.04/603,314.34 = 315,033.40/x
  3. Step 3: Cross multiply
    437,136.04x = 603,314.34 × 315,033.40
  4. Step 4: Simplify right side
    437,136.04x = 190,064,167,798.96
  5. Step 5: Solve for x
    x = 190,064,167,798.96/437,136.04
  6. Step 6: Final answer
    x = 434,794.09

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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.