Home / 439,970.75-607,166.93-238,766.75

Finding the Fourth Proportional to 439,970.75, 607,166.93 and 238,766.75

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Solution

The fourth proportional to 439,970.75, 607,166.93 and 238,766.75 is: 329,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,970.75 : 607,166.93 = 238,766.75 : x
  2. Step 2: Convert to fraction form
    439,970.75/607,166.93 = 238,766.75/x
  3. Step 3: Cross multiply
    439,970.75x = 607,166.93 × 238,766.75
  4. Step 4: Simplify right side
    439,970.75x = 144,971,273,389.74
  5. Step 5: Solve for x
    x = 144,971,273,389.74/439,970.75
  6. Step 6: Final answer
    x = 329,502.07

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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.