Home / 639,222.76-882,097.44-367,098.80

Finding the Fourth Proportional to 639,222.76, 882,097.44 and 367,098.80

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Solution

The fourth proportional to 639,222.76, 882,097.44 and 367,098.80 is: 506,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,222.76 : 882,097.44 = 367,098.80 : x
  2. Step 2: Convert to fraction form
    639,222.76/882,097.44 = 367,098.80/x
  3. Step 3: Cross multiply
    639,222.76x = 882,097.44 × 367,098.80
  4. Step 4: Simplify right side
    639,222.76x = 323,816,911,707.07
  5. Step 5: Solve for x
    x = 323,816,911,707.07/639,222.76
  6. Step 6: Final answer
    x = 506,579.13

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Double scale
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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.