Home / 460,959.20-636,148.32-269,987.12

Finding the Fourth Proportional to 460,959.20, 636,148.32 and 269,987.12

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Solution

The fourth proportional to 460,959.20, 636,148.32 and 269,987.12 is: 372,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,959.20 : 636,148.32 = 269,987.12 : x
  2. Step 2: Convert to fraction form
    460,959.20/636,148.32 = 269,987.12/x
  3. Step 3: Cross multiply
    460,959.20x = 636,148.32 × 269,987.12
  4. Step 4: Simplify right side
    460,959.20x = 171,751,852,809.64
  5. Step 5: Solve for x
    x = 171,751,852,809.64/460,959.20
  6. Step 6: Final answer
    x = 372,596.65

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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.