Home / 402,583.75-555,566.72-230,504.33

Finding the Fourth Proportional to 402,583.75, 555,566.72 and 230,504.33

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Solution

The fourth proportional to 402,583.75, 555,566.72 and 230,504.33 is: 318,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,583.75 : 555,566.72 = 230,504.33 : x
  2. Step 2: Convert to fraction form
    402,583.75/555,566.72 = 230,504.33/x
  3. Step 3: Cross multiply
    402,583.75x = 555,566.72 × 230,504.33
  4. Step 4: Simplify right side
    402,583.75x = 128,060,534,800.29
  5. Step 5: Solve for x
    x = 128,060,534,800.29/402,583.75
  6. Step 6: Final answer
    x = 318,096.63

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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.