Home / 555,076.81-766,024.55-340,175.35

Finding the Fourth Proportional to 555,076.81, 766,024.55 and 340,175.35

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Solution

The fourth proportional to 555,076.81, 766,024.55 and 340,175.35 is: 469,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,076.81 : 766,024.55 = 340,175.35 : x
  2. Step 2: Convert to fraction form
    555,076.81/766,024.55 = 340,175.35/x
  3. Step 3: Cross multiply
    555,076.81x = 766,024.55 × 340,175.35
  4. Step 4: Simplify right side
    555,076.81x = 260,582,669,404.84
  5. Step 5: Solve for x
    x = 260,582,669,404.84/555,076.81
  6. Step 6: Final answer
    x = 469,453.35

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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.