Home / 409,865.81-565,615.35-226,100.23

Finding the Fourth Proportional to 409,865.81, 565,615.35 and 226,100.23

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Solution

The fourth proportional to 409,865.81, 565,615.35 and 226,100.23 is: 312,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,865.81 : 565,615.35 = 226,100.23 : x
  2. Step 2: Convert to fraction form
    409,865.81/565,615.35 = 226,100.23/x
  3. Step 3: Cross multiply
    409,865.81x = 565,615.35 × 226,100.23
  4. Step 4: Simplify right side
    409,865.81x = 127,885,759,312.49
  5. Step 5: Solve for x
    x = 127,885,759,312.49/409,865.81
  6. Step 6: Final answer
    x = 312,018.61

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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.