Home / 443,541.65-612,087.10-239,592.50

Finding the Fourth Proportional to 443,541.65, 612,087.10 and 239,592.50

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Solution

The fourth proportional to 443,541.65, 612,087.10 and 239,592.50 is: 330,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,541.65 : 612,087.10 = 239,592.50 : x
  2. Step 2: Convert to fraction form
    443,541.65/612,087.10 = 239,592.50/x
  3. Step 3: Cross multiply
    443,541.65x = 612,087.10 × 239,592.50
  4. Step 4: Simplify right side
    443,541.65x = 146,651,477,142.66
  5. Step 5: Solve for x
    x = 146,651,477,142.66/443,541.65
  6. Step 6: Final answer
    x = 330,637.45

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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.