Home / 688,253.35-949,911.33-514,694.38

Finding the Fourth Proportional to 688,253.35, 949,911.33 and 514,694.38

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Solution

The fourth proportional to 688,253.35, 949,911.33 and 514,694.38 is: 710,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,253.35 : 949,911.33 = 514,694.38 : x
  2. Step 2: Convert to fraction form
    688,253.35/949,911.33 = 514,694.38/x
  3. Step 3: Cross multiply
    688,253.35x = 949,911.33 × 514,694.38
  4. Step 4: Simplify right side
    688,253.35x = 488,914,023,049.33
  5. Step 5: Solve for x
    x = 488,914,023,049.33/688,253.35
  6. Step 6: Final answer
    x = 710,369.26

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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.