Home / 639,526.93-882,549.98-353,049.37

Finding the Fourth Proportional to 639,526.93, 882,549.98 and 353,049.37

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Solution

The fourth proportional to 639,526.93, 882,549.98 and 353,049.37 is: 487,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,526.93 : 882,549.98 = 353,049.37 : x
  2. Step 2: Convert to fraction form
    639,526.93/882,549.98 = 353,049.37/x
  3. Step 3: Cross multiply
    639,526.93x = 882,549.98 × 353,049.37
  4. Step 4: Simplify right side
    639,526.93x = 311,583,711,784.83
  5. Step 5: Solve for x
    x = 311,583,711,784.83/639,526.93
  6. Step 6: Final answer
    x = 487,209.68

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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.