Home / 376,780.16-519,926.46-215,598.26

Finding the Fourth Proportional to 376,780.16, 519,926.46 and 215,598.26

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Solution

The fourth proportional to 376,780.16, 519,926.46 and 215,598.26 is: 297,508.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,780.16 : 519,926.46 = 215,598.26 : x
  2. Step 2: Convert to fraction form
    376,780.16/519,926.46 = 215,598.26/x
  3. Step 3: Cross multiply
    376,780.16x = 519,926.46 × 215,598.26
  4. Step 4: Simplify right side
    376,780.16x = 112,095,240,103.96
  5. Step 5: Solve for x
    x = 112,095,240,103.96/376,780.16
  6. Step 6: Final answer
    x = 297,508.34

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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.