Home / 626,947.01-865,451.71-423,273.80

Finding the Fourth Proportional to 626,947.01, 865,451.71 and 423,273.80

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Solution

The fourth proportional to 626,947.01, 865,451.71 and 423,273.80 is: 584,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,947.01 : 865,451.71 = 423,273.80 : x
  2. Step 2: Convert to fraction form
    626,947.01/865,451.71 = 423,273.80/x
  3. Step 3: Cross multiply
    626,947.01x = 865,451.71 × 423,273.80
  4. Step 4: Simplify right side
    626,947.01x = 366,323,037,891.38
  5. Step 5: Solve for x
    x = 366,323,037,891.38/626,947.01
  6. Step 6: Final answer
    x = 584,296.65

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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.