Home / 418,271.45-577,213.09-237,018.02

Finding the Fourth Proportional to 418,271.45, 577,213.09 and 237,018.02

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Solution

The fourth proportional to 418,271.45, 577,213.09 and 237,018.02 is: 327,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,271.45 : 577,213.09 = 237,018.02 : x
  2. Step 2: Convert to fraction form
    418,271.45/577,213.09 = 237,018.02/x
  3. Step 3: Cross multiply
    418,271.45x = 577,213.09 × 237,018.02
  4. Step 4: Simplify right side
    418,271.45x = 136,809,900,231.27
  5. Step 5: Solve for x
    x = 136,809,900,231.27/418,271.45
  6. Step 6: Final answer
    x = 327,084.01

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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.