Home / 439,968.87-607,157.04-238,764.87

Finding the Fourth Proportional to 439,968.87, 607,157.04 and 238,764.87

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Solution

The fourth proportional to 439,968.87, 607,157.04 and 238,764.87 is: 329,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,968.87 : 607,157.04 = 238,764.87 : x
  2. Step 2: Convert to fraction form
    439,968.87/607,157.04 = 238,764.87/x
  3. Step 3: Cross multiply
    439,968.87x = 607,157.04 × 238,764.87
  4. Step 4: Simplify right side
    439,968.87x = 144,967,769,569.87
  5. Step 5: Solve for x
    x = 144,967,769,569.87/439,968.87
  6. Step 6: Final answer
    x = 329,495.52

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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.