Home / 418,416.12-577,412.64-237,162.96

Finding the Fourth Proportional to 418,416.12, 577,412.64 and 237,162.96

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Solution

The fourth proportional to 418,416.12, 577,412.64 and 237,162.96 is: 327,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,416.12 : 577,412.64 = 237,162.96 : x
  2. Step 2: Convert to fraction form
    418,416.12/577,412.64 = 237,162.96/x
  3. Step 3: Cross multiply
    418,416.12x = 577,412.64 × 237,162.96
  4. Step 4: Simplify right side
    418,416.12x = 136,940,890,843.81
  5. Step 5: Solve for x
    x = 136,940,890,843.81/418,416.12
  6. Step 6: Final answer
    x = 327,283.97

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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.