Home / 402,502.07-555,466.23-236,900.02

Finding the Fourth Proportional to 402,502.07, 555,466.23 and 236,900.02

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Solution

The fourth proportional to 402,502.07, 555,466.23 and 236,900.02 is: 326,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,502.07 : 555,466.23 = 236,900.02 : x
  2. Step 2: Convert to fraction form
    402,502.07/555,466.23 = 236,900.02/x
  3. Step 3: Cross multiply
    402,502.07x = 555,466.23 × 236,900.02
  4. Step 4: Simplify right side
    402,502.07x = 131,589,960,996.33
  5. Step 5: Solve for x
    x = 131,589,960,996.33/402,502.07
  6. Step 6: Final answer
    x = 326,929.90

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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.