Home / 555,698.18-766,581.63-351,404.84

Finding the Fourth Proportional to 555,698.18, 766,581.63 and 351,404.84

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Solution

The fourth proportional to 555,698.18, 766,581.63 and 351,404.84 is: 484,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,698.18 : 766,581.63 = 351,404.84 : x
  2. Step 2: Convert to fraction form
    555,698.18/766,581.63 = 351,404.84/x
  3. Step 3: Cross multiply
    555,698.18x = 766,581.63 × 351,404.84
  4. Step 4: Simplify right side
    555,698.18x = 269,380,495,037.09
  5. Step 5: Solve for x
    x = 269,380,495,037.09/555,698.18
  6. Step 6: Final answer
    x = 484,760.44

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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.