Home / 915,286.69-1,262,940.62-609,818.68

Finding the Fourth Proportional to 915,286.69, 1,262,940.62 and 609,818.68

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Solution

The fourth proportional to 915,286.69, 1,262,940.62 and 609,818.68 is: 841,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,286.69 : 1,262,940.62 = 609,818.68 : x
  2. Step 2: Convert to fraction form
    915,286.69/1,262,940.62 = 609,818.68/x
  3. Step 3: Cross multiply
    915,286.69x = 1,262,940.62 × 609,818.68
  4. Step 4: Simplify right side
    915,286.69x = 770,164,781,806.78
  5. Step 5: Solve for x
    x = 770,164,781,806.78/915,286.69
  6. Step 6: Final answer
    x = 841,446.50

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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.