Home / 441,724.64-609,424.54-288,852.24

Finding the Fourth Proportional to 441,724.64, 609,424.54 and 288,852.24

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Solution

The fourth proportional to 441,724.64, 609,424.54 and 288,852.24 is: 398,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,724.64 : 609,424.54 = 288,852.24 : x
  2. Step 2: Convert to fraction form
    441,724.64/609,424.54 = 288,852.24/x
  3. Step 3: Cross multiply
    441,724.64x = 609,424.54 × 288,852.24
  4. Step 4: Simplify right side
    441,724.64x = 176,033,643,489.97
  5. Step 5: Solve for x
    x = 176,033,643,489.97/441,724.64
  6. Step 6: Final answer
    x = 398,514.43

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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.