Home / 626,946.69-865,451.31-423,273.51

Finding the Fourth Proportional to 626,946.69, 865,451.31 and 423,273.51

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Solution

The fourth proportional to 626,946.69, 865,451.31 and 423,273.51 is: 584,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,946.69 : 865,451.31 = 423,273.51 : x
  2. Step 2: Convert to fraction form
    626,946.69/865,451.31 = 423,273.51/x
  3. Step 3: Cross multiply
    626,946.69x = 865,451.31 × 423,273.51
  4. Step 4: Simplify right side
    626,946.69x = 366,322,611,601.43
  5. Step 5: Solve for x
    x = 366,322,611,601.43/626,946.69
  6. Step 6: Final answer
    x = 584,296.27

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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.