Home / 438,180.71-604,695.26-247,193.51

Finding the Fourth Proportional to 438,180.71, 604,695.26 and 247,193.51

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Solution

The fourth proportional to 438,180.71, 604,695.26 and 247,193.51 is: 341,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,180.71 : 604,695.26 = 247,193.51 : x
  2. Step 2: Convert to fraction form
    438,180.71/604,695.26 = 247,193.51/x
  3. Step 3: Cross multiply
    438,180.71x = 604,695.26 × 247,193.51
  4. Step 4: Simplify right side
    438,180.71x = 149,476,743,799.76
  5. Step 5: Solve for x
    x = 149,476,743,799.76/438,180.71
  6. Step 6: Final answer
    x = 341,130.36

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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.