Home / 439,975.04-607,136.64-249,008

Finding the Fourth Proportional to 439,975.04, 607,136.64 and 249,008

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Solution

The fourth proportional to 439,975.04, 607,136.64 and 249,008 is: 343,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,975.04 : 607,136.64 = 249,008 : x
  2. Step 2: Convert to fraction form
    439,975.04/607,136.64 = 249,008/x
  3. Step 3: Cross multiply
    439,975.04x = 607,136.64 × 249,008
  4. Step 4: Simplify right side
    439,975.04x = 151,181,880,453.12
  5. Step 5: Solve for x
    x = 151,181,880,453.12/439,975.04
  6. Step 6: Final answer
    x = 343,614.68

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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.