Home / 626,823.67-865,093.17-368,688.31

Finding the Fourth Proportional to 626,823.67, 865,093.17 and 368,688.31

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Solution

The fourth proportional to 626,823.67, 865,093.17 and 368,688.31 is: 508,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,823.67 : 865,093.17 = 368,688.31 : x
  2. Step 2: Convert to fraction form
    626,823.67/865,093.17 = 368,688.31/x
  3. Step 3: Cross multiply
    626,823.67x = 865,093.17 × 368,688.31
  4. Step 4: Simplify right side
    626,823.67x = 318,949,738,839.84
  5. Step 5: Solve for x
    x = 318,949,738,839.84/626,823.67
  6. Step 6: Final answer
    x = 508,834.87

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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.