Home / 676,757.63-933,913.19-401,300.80

Finding the Fourth Proportional to 676,757.63, 933,913.19 and 401,300.80

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Solution

The fourth proportional to 676,757.63, 933,913.19 and 401,300.80 is: 553,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,757.63 : 933,913.19 = 401,300.80 : x
  2. Step 2: Convert to fraction form
    676,757.63/933,913.19 = 401,300.80/x
  3. Step 3: Cross multiply
    676,757.63x = 933,913.19 × 401,300.80
  4. Step 4: Simplify right side
    676,757.63x = 374,780,108,946.02
  5. Step 5: Solve for x
    x = 374,780,108,946.02/676,757.63
  6. Step 6: Final answer
    x = 553,787.78

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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.