Home / 348,958.04-521,073.21-277,074.08

Finding the Fourth Proportional to 348,958.04, 521,073.21 and 277,074.08

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Solution

The fourth proportional to 348,958.04, 521,073.21 and 277,074.08 is: 413,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,958.04 : 521,073.21 = 277,074.08 : x
  2. Step 2: Convert to fraction form
    348,958.04/521,073.21 = 277,074.08/x
  3. Step 3: Cross multiply
    348,958.04x = 521,073.21 × 277,074.08
  4. Step 4: Simplify right side
    348,958.04x = 144,375,880,273.40
  5. Step 5: Solve for x
    x = 144,375,880,273.40/348,958.04
  6. Step 6: Final answer
    x = 413,734.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.