Home / 626,022.59-863,911.23-354,084.63

Finding the Fourth Proportional to 626,022.59, 863,911.23 and 354,084.63

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Solution

The fourth proportional to 626,022.59, 863,911.23 and 354,084.63 is: 488,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,022.59 : 863,911.23 = 354,084.63 : x
  2. Step 2: Convert to fraction form
    626,022.59/863,911.23 = 354,084.63/x
  3. Step 3: Cross multiply
    626,022.59x = 863,911.23 × 354,084.63
  4. Step 4: Simplify right side
    626,022.59x = 305,897,688,227.40
  5. Step 5: Solve for x
    x = 305,897,688,227.40/626,022.59
  6. Step 6: Final answer
    x = 488,636.82

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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.