Home / 626,944.59-865,200.69-368,839.71

Finding the Fourth Proportional to 626,944.59, 865,200.69 and 368,839.71

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Solution

The fourth proportional to 626,944.59, 865,200.69 and 368,839.71 is: 509,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,944.59 : 865,200.69 = 368,839.71 : x
  2. Step 2: Convert to fraction form
    626,944.59/865,200.69 = 368,839.71/x
  3. Step 3: Cross multiply
    626,944.59x = 865,200.69 × 368,839.71
  4. Step 4: Simplify right side
    626,944.59x = 319,120,371,591.40
  5. Step 5: Solve for x
    x = 319,120,371,591.40/626,944.59
  6. Step 6: Final answer
    x = 509,008.89

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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.