Home / 360,805.41-497,904-199,660.35

Finding the Fourth Proportional to 360,805.41, 497,904 and 199,660.35

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Solution

The fourth proportional to 360,805.41, 497,904 and 199,660.35 is: 275,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,805.41 : 497,904 = 199,660.35 : x
  2. Step 2: Convert to fraction form
    360,805.41/497,904 = 199,660.35/x
  3. Step 3: Cross multiply
    360,805.41x = 497,904 × 199,660.35
  4. Step 4: Simplify right side
    360,805.41x = 99,411,686,906.40
  5. Step 5: Solve for x
    x = 99,411,686,906.40/360,805.41
  6. Step 6: Final answer
    x = 275,527.15

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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.