Home / 639,528.49-882,552.14-353,050.93

Finding the Fourth Proportional to 639,528.49, 882,552.14 and 353,050.93

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Solution

The fourth proportional to 639,528.49, 882,552.14 and 353,050.93 is: 487,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,528.49 : 882,552.14 = 353,050.93 : x
  2. Step 2: Convert to fraction form
    639,528.49/882,552.14 = 353,050.93/x
  3. Step 3: Cross multiply
    639,528.49x = 882,552.14 × 353,050.93
  4. Step 4: Simplify right side
    639,528.49x = 311,585,853,800.49
  5. Step 5: Solve for x
    x = 311,585,853,800.49/639,528.49
  6. Step 6: Final answer
    x = 487,211.84

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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.