Home / 376,848.16-520,026-215,704.48

Finding the Fourth Proportional to 376,848.16, 520,026 and 215,704.48

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Solution

The fourth proportional to 376,848.16, 520,026 and 215,704.48 is: 297,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,848.16 : 520,026 = 215,704.48 : x
  2. Step 2: Convert to fraction form
    376,848.16/520,026 = 215,704.48/x
  3. Step 3: Cross multiply
    376,848.16x = 520,026 × 215,704.48
  4. Step 4: Simplify right side
    376,848.16x = 112,171,937,916.48
  5. Step 5: Solve for x
    x = 112,171,937,916.48/376,848.16
  6. Step 6: Final answer
    x = 297,658.18

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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.